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24 February 2014

Good Science; Over-Reaching Science; Over-Promoted Science.

On February 10th the Daily Telegraph published a letter from a professor of chemistry at University College London (Robin J. H. Clark) questioning the relationship between art and science in general terms and with regard to a supposed Chagall painting featured on a recent BBC Fake or Fortune television programme. Prof. Clark expressed particular concern over art world failures to heed the testimony of available scientific techniques.

In the late 1980s the UCL chemistry department had developed a non-invasive technique (“Raman microscopy”) for identifying both natural and synthetic pigments within paintings. Because the latter have known dates of invention, their presence in a picture can establish the earliest date at which it could have been produced. This technique is said by Prof. Clark to have been known to Sotheby’s by 1992. The Chagall painting, he pointed out, could have been exposed as a fake at any point in the last 20 years. He further reported that the painting was exposed as a forgery in his UCL laboratory in July last year in the presence of its owners and the presenters of Fake or Fortune:

“I am disappointed that neither of the presenters of Fake or Fortune made this clear. The conclusion that the painting is a forgery is based on our spectroscopic results, which showed that at least two of the key pigments had not been synthesized until the late Thirties, putting the earliest date for the painting at 1938, long after the supposed date of 1909-10.”

Because of the unequivocal nature of those technical findings, Prof. Clark (rightly) observed that the Chagall Committee in Paris, to which the painting was sent, had no option but to confirm the forgery. He also asked how art historians might be encouraged to read science journals so as be informed about “significant developments in science as applied to arts”. In part, his question is fair and urgent. The art market’s notorious governing trade dictum is caveat emptor (buyer beware) – while auctioneers and dealers may take every pain to verify their claims, it is ultimately for buyers to satisfy themselves that attributions and conditions are as described. Auctioneers can only submit works to (possibly disqualifying) technical analysis with owners’ permission. Dealers who buy at auctions almost invariably have works restored but are not required, when selling works on, to disclose which if any tests may have been run.

Support on the extent to which scientific (and also historical and visual) evidence is ignored or manipulated in the interests of “boosting financial rewards in attributing paintings to particular masters” was given in an Observer interview on February 23rd (“Revelealed: the art experts who pass fakes as authentic”) by Professor Martin Kemp, a Leonardo specialist. In the same report by Dalya Alberge, Nicholas Eastaugh, a leading independent scientist (of Art Access and Research), described the present climate as being both without standards and “totally unregulated. It’s a Wild West.”

However, much as we sympathised with Prof. Clark’s impatience with some art world practices, we could not endorse his call for a blanket acceptance of all scientific methods presently being applied to works of art. As we put it in a letter to the Daily Telegraph (published 12 February):

“Professor Robin Clark (letters February 10) calls for developments in science to be applied to art. If sound science is underused by the art trade, more questionable ‘scientific studies’ have been used for many years to offer assurances that picture-cleaners’ solvents have been a safe method of stripping varnishes and repaint from old pictures.
As the current issue of the journal of the International Institute for Conservation of Historic and Artistic Works makes clear, the understanding in the art and museum world since the Sixties of how solvents work has been seriously flawed scientifically. Because important intermolecular interactions have been ignored, the theoretical model used cannot predict, as assumed, the actions of solvents on the underlying paints.”

History teaches that the many cumulative “scientific” defences of restorations have best been treated with scepticism. In 1977 Kenneth Clark admitted founding the National Gallery’s conservation science department precisely to bamboozle critics and dupe the public. In later years the Gallery pioneered a new mongrel discipline known as Technical Art History in which curators, conservators and conservation scientists pool expertises so as to arrive at some seemingly “scientifically underpinned” consensus on aesthetic decisions. In reality curators were glossing authority already-ceded to restorers. As the National Gallery restorer Helmut Ruhemann wrote in 1968: “Although the art historians in charge of pictures are officially responsible for the policies regarding cleaning, they naturally form their ideas in the first place from what they are told by their restorers.”

In its guides to conservation the National Gallery presently claims that while its restorations are carried out for aesthetic rather than conservation purposes, and while each restorer imposes a personal aesthetic taste on pictures, it considers all aesthetically various outcomes to be equally valid so long as they have been carried out “safely”. The contention that the (claimed) safety of cleaning methods can underwrite conflicting aesthetic outcomes is a non sequitur. Besides which, no claims have proved more unreliable than those of cleaning solvents’ safety.

The crucial and sometimes wilfully over-looked cultural truth is that there are no properly scientific means of comprehending art’s variously created aesthetic values and relationships. When reiterating this point in our post of 7 February 2014 (“From the Horse’s Mouth ~ Seventy years of worthless ‘science’ and reassurances on the safety of picture cleaning solvents”) we were able to disclose the most recent and most damning evidence of the un-soundness of past scientific endorsements of picture-cleaning solvents.

Notwithstanding these spectacular technical reverses, this month the press has been chocked with uncritical “Good News” accounts of scientific advances in the arts. Most newspapers and the BBC carried claims that scientists had “digitally reconstructed” the original appearance of a Renoir painting in which a former pink background had faded. By coincidence, this claimed miraculous virtual recovery had also been made by “a technique known as Surface-Enhanced Raman Spectroscopy (SERS)” carried out at the Art Institute of Chicago.

The BBC reported that “Northwestern University chemist Prof Richard Van Duyne pioneered SERS. He said the Renoir demonstrated why the Raman technique was fast becoming an invaluable tool for studying artworks: ‘You get tremendous information about the origins of the painting, the techniques of the artist, an understanding of the fading mechanism, and the ability to restore the painting.’” Note that speculative hypotheses are now being presented as sound platforms for restorations. In the art world it is frequently the dogs that don’t bark that matter most. Note that this wonder technique which addresses changes resulting from natural causes would seem to have no powers or potential with regard to the more common and much more seriously deleterious man-made changes made by restorers. Given that both types of injury are easily evident by eye to anyone lifing a picture out of its frame (see Figs. 2 and 3), the silence of “science” on the latter injuries can only seem self-compromising .

In a letter to the Times (February 17) we protested:

“The claim that scientists have recreated the original appearance of a Renoir painting (‘Laser technique shows masterpiece as Renoir intended’, Feb 14) is unfounded. All elements of a picture undergo natural changes over time. To these, further unnatural changes are added by restorers and their invasive paint-penetrating solvents. Compensating for a single faded pigment does not constitute a recovery of a picture’s original appearance. Rather, it offers a further falsification: a single artificially simulated ingredient within a remaining, generally altered and debilitated surviving whole.”

Our letter was accompanied by one from a Professor of Allergy and Clinical Immunology at Imperial College London, making a far-fetched claim that the fact that a synthetic red dye used in paintings had also helped in the discovery of an important white blood cell constituted an unusual “bridging [of] fine art and science”.

While Raman microscopy could certainly disprove the claimed date of the fake Chagall, it seriously misleads the public to present speculative and hypothetical digitally manipulated reconstructions as if literal recoveries of original conditions. On February 22nd the Economist reported an account of another digital re-mastering of real paintings delivered at this year’s meeting of the American Association for the Advancement of Science. The Economist too saw a bridging of the divide between art and science, which it likens to a resolution of the science/art schism of which the chemist and novelist C. P. Snow complained in his famous 1959 lecture “The Two Cultures”. The report also reveals, however, that what was presented as a recovery of the murals’ original conditions was in fact a double hypothetical reconstruction. Not only had Rothko’s colours faded, so too had those of the contemporary photographs of his murals that were to serve as the basis for a digital re-mastering of the actual paintings. Despite the methodologically dubious procedure of digitally re-mastering actual paintings on the back of digitally re-mastered photographs, there was customary breathless admiration for this latest claimed technical miracle:

“In the case of the Holyoke Centre’s Rothkos […e]ach had faded differently, depending on its original colours and how much sunlight it had seen. And various parts of individual paintings had faded at different rates, too. But modern technology allows optical illusions to be finely crafted indeed. The paintings are continuously observed by a high-resolution camera. Its images are compared, pixel by pixel, with the idealised versions provided by the restored photographs. A computer then works out, moment by moment, what mixture of light to shine back to make the faded originals match the vibrant reconstructions—with no messy repainting necessary. For now, the paintings remain under wraps while the museum at which they are stored is renovated. One day soon, though, they will be on display in all their illusory glory.”

There was no discussion of the consequences of viewers’ bodies blocking the projected “correcting” coloured lights. What we are witnessing in this heavily promoted technical bonanza is not a genuinely increased understanding of art by courtesy of scientific advances. If the attempt to increase public understanding of the degree to which even quite modern paintings have suffered alterations since their executions was a real ambition of museum staffs and conservation scientists, it would be imperative for them to discuss (and demonstrate) the largest single source of alterations and adulterations: “restoration” treatments. In the absence of such an agenda, what we see unfolding is a cultually diversionary Big Push by certain professional groups into new and uncontroversial employment pastures where the potential pickings and funding opportunities are immense – there is scarcely an old picture in existence where some pigments have not faded. This virtual remastering show is one that could run and run. But who might fund and who might execute research into all those paintings that suffered far more grievously from the chemical coshes of restorers?

The real problem in the arts is not an insufficiency of technical or scientific assistance. It is deeper and more fundamental. Its root lies within institutional withdrawals from exercising properly critical considerations. The non-appliance of due critical practices is long-standing. There were uncritical responses in the late 1990s when (as we reported in our first post) the National Gallery used a computer-manipulated photograph of an actual skull as the basis for a hypothetical virtual reconstruction of missing parts in Holbein’s “The Ambassadors” which led to the redrawing of Holbein’s skull in defiance (or ignorance) of the perspectival systems of the artist’s times. More recently, the Tate repainted large lost parts of a flood-damaged work on the basis of early colour photographs in the course of a “restoration”. In our uncritical, increasingly “virtual” cultural universe it is more urgent than ever that museum curators should return to acting primarily on sound scholarly appraisals and aesthetically informed insights, and that they should not further devolve their responsibilities to technicians who may or may not be properly alert to matters aesthetic and artistic.

Michael Daley

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Comments may be left at: artwatch.uk@gmail.com

Fig. 1: Above, top, Marc Chagall’s “Reclining Nude 1911″ which is said to have been the source for the fake Chagall, “Nude 1909-1910″ (above), as reproduced together in the Sunday Telegraph (2 February 2014).
An entire programme in the BBC’s Fake or Fortune series was spent examining the technical composition and the provenance of the fake version (which, incredibly, was dispatched to the Chagall Committee in Paris which not only declared the work a dud but threatens to have it destroyed) when a single glance at the two works should have been sufficient to establish that both cannot be by the same artist. Where that of 1911 displays a boldly deconstructing and reconstructing treatment of forms and spaces that is expansive and pictorially dynamic (as well as being massively indebted to Picasso’s then recent and revolutionary cubist works), the other is manifestly derivative and feebly handled, leaving the picture’s subject looking not so much set in a specially re-ordered non-Euclidian space, as pasted onto a monotonously and repetitively drawn and coloured theatrical back-cloth.
Above, Fig. 2: a detail of a Turner water-colour in the British Museum which had been protected from light damage at the left edge by the frame. (See plate 5 in the “Museum Environment”, 1986, Butterworth-Heinemann.)
Above, Fig. 3: a detail of Frans Hals’ “Banquet of the Officers the St. George militia company”, showing a strip of original green glazing that had been protected from restorers solvents by the frame.
Above, Fig. 4: the much reproduced Renoir, “Madame Léon Clapisson” (here as on the BBC) showing the painting in its present condition at the Chicago Art Institute on the left, and in an attempted digital reconstruction of its original (1883) condition on the right.
Above, Figs. 5, 6 and 7: details, top and centre, of “Madame Léon Clapisson” as found today, showing along the picture’s top edge a surving strip of an originally pink background achieved with a glaze of carmine lake, or cochineal, pigment. Scientists have used the investigative method known as “Surface-Enhanced Raman Spectroscopy (SERS)” in an attempt (above, at Fig. 7) to recreate the picture’s original appearance.
There has been no mention in any reports on this attempted reconstitution of some consideration having been given to changes in the painting that had occurred not as a result of exposure to light but as a result of exposure to restorers’ solvents, swabs and scalpels.
The painting itself and the virtual reconstruction is presently on exhibition at the Chicago Art Institute. The exhibition was supported by research funding provided by the Getty Foundation, the Grainger Foundation, the David and Mary Winton Green Research Fund, the Samuel H. Kress Foundation, and the Andrew W. Mellon Foundation. It is said that with “this new knowledge and new technologies such as nanotechnology, laser light, and advanced image processing software, the conservation department has been able to reconstruct the work’s original colors in a full-scale digital reproduction.”
A PIONEERING DIGITAL ATTEMPT TO RECOVER A PICTURE’S ORIGINAL CONDITION AT THE NATIONAL GALLERY (LONDON)
Above, Fig. 8: The National Gallery’s “The Conversion of the Magdalen” attributed to Pedro Campaña.
Above, Fig. 9: The near contemporary copy of the National Gallery’s “The Conversion of the Magdalen” that was made by Luca Longhi and is presently in the Villa Borghese Collection, Rome.
The National Gallery claims credit for pioneering the new collective discipline known as Technical Art History. A key weapon in its long, proselytizing campaign has been the publication since 1977 of an annual report dedicated to conservation activities – its Technical Bulletin. The issue of 2001 (Vol 22) carried an article “Colour change in The Conversion of the Magdalen attributed to Pedro Campaña” that was jointly authored by Marika Spring, Nicholas Penny, Raymond White and Martin Wyld. Spring and White were members the science department, Penny was a curator, and Wyld was the head of conservation. It was thus a textbook collaborative effort made under the rules of Technical Art History.
The combined expertises were brought to bear on a striking problem with the painting’s physical and optical conditions: there had been severe deteriorations in the colours of many of the draperies, not least in those of Christ. Many draperies were now brown or yellow-brown, where once they had been blue, green or red.
Microscopic samples were taken from some of the figures and analysed in an attempt to identify their pigments and to “investigate whether there was any peculiarity in the technique and the materials that could have caused such serious degradation.”
Highly detailed examinations established that the blue pigment – smalt – had deteriorated; that a red lake pigment (likely containing dyestuff from the cochineal insect) had faded; and that green glazes containing copper had turned brown. None of these changes were remarkable in themselves, except, perhaps, in their extent.
What was remarkable was that an attempt was made to reconstruct the “altered colours by digital imaging”. It was explained that the changes which had destroyed the picture’s balance of colours had to be accepted as irreversible. Nonetheless, the attempt was made to gain some impression of the original appearance by manipulating a digital image of the painting – specifically, “by applying image-processing techniques”. Clearly, in such an exercise, the nature and type of image-processing software used would be of crucial methodological significance – how and in what manner was the base digital reproduction of the picture to be manipulated?
Explanation seemed to be to hand in a footnote [27]. Alas, it read flatly as follows: “The technical details of the process of reconstruction of the colours by image processing on the digital image will be described elsewhere.” No less disturbing than having to take the means and manner of the manipulations on trust, the account that followed of the factors of consideration suggested a Technical Art Historical methodology more Heath Robinson Contraption than Hi-Tech Sophistication.
Because the original colours no longer exist on the painting, some simulacrum of each had to be produced to feed into the image-manipulating software. Thus, “colourimetric measurements on painted-out samples matching the pigment mixtures and the layer structures were used as a reference.” Clearly, achieving a reliable point of colour reference was vital to the integrity of the exercise. But how reliable were the painted-out samples? Not very, it seemed on the authors’ own account:
“For the smalt and red lake pigments this posed some problems. Smalt manufactured to a nineteenth-century recipe is available today, but contains a higher percentage of cobalt than than smalt in sixteenth-century paintings and none of the impurities that are commonly found in the glass.” Notwithstanding these departures from the original materials used on the painting, this smalt was used for the base references. Because the modern smalt is much stronger in colour than that of the sixteenth-century, an attempt was made to correct (lessen) its force by adulterating it with “finely ground alumina” in attempt to “to try to simulate the colour of the sixteenth century smalt”. Confidence in this adjustment was not high because “this is a difficult judgement to make, since in paintings of the period smalt has always degraded.” Had the painting been a seventeenth-century work the exercise would have been easier because by then the smalt was commonly mixed with lead white pigment, which afforded some protection. Even though this work was not of the seventeenth-century, samples from that period were used a guide reference in the digital manipulations.
Establishing a reference point for the original lake pigments was no less problematic: “Comparison with the deep shadows on Christ’s red robe, which retain their red colour, made it clear that the hue of the test plate was more purple than the red lake in the painting…” And what of the outcome of this, at best, approximate method?
Above, left, Fig. 10a: the computer-manipulated attempt to recover the original colours of Christ’s draperies.
Above, right, Fig. 10b: a detail of the Borghese Villa copy shown above at Fig. 9.
It probably goes without saying that the figure of Christ seen at Fig. 10a seems a most implausible reconstruction. It is claimed by the authors, however, that: “The deeply saturated colours which replace the deteriorated brown, although rather flat because of the loss of the modelling which cannot be reconstructed, balance well with the well-preserved draperies painted with vermilion and ultramarine.” Given that, on the authors’ own admission, the simulated blues and reds are significantly different and more intense pigments, how credible can this claimed correspondence of colours seem?
The article concludes on an assertive note of self-satisfaction: “The detailed technical examination of the ‘Conversion of the Magdalen’, and the process of reconstruction of the colours in the digital image, has produced some deeper insight into how the deterioration of pigments has affected the colours in the painting.”
This was followed by a claim that is quite remarkably at odds with the visual evidence presented (see Figs. 10a and 10b): “Although the strong and deep colours of the reconstruction initially seemed rather startling, they receive strong support from comparison with the Borghese version of the painting [shown here at Figs. 9 and 10b] – which is especially gratifying since the reconstruction was made before the transparency of the Borghese version was available to us.” Given that the Borghese version is on all accounts markedly better preserved that the London picture, what might explain the former’s richer, warmer red drapery and darker, more sombre blue drapery?
Although the authors express themselves as being satisfied with the accuracy of the reconstructed colours, they do concede other problems: “The reconstruction is not, of course, an accurate portrayal of the original appearance of the painting – the lost modelling in some of the draperies cannot be recreated…”
Thus, we see that this exercise has been directed at a single component part of the painting – its self-contained areas of local colours – and that, in the execution, that part has been wrenched from any relationship with the picture’s tones, shading and modelling. This severance is painfully evident in the comparison at Figs. 10a and 10b. It would beggar belief that the National Gallery’s experts could see any sort of vindication for their efforts in the Borghese version were it not for that institution’s by now too-deeply ingrained to be recognised tradition of pursuing autonomously bright colours during restorations at the expense of form and pictorial coherence. Not only are the colours of the Borghese drapery more sombre and chromatically integrated – and jointly more skilfully integrated with the plastic values – but we see also in the National Gallery picture a characteristic debilitating weakness of modelling in the too-brightly scrubbed surfaces of the flesh areas. (It is depressing beyond belief that our national pictorial vice should recently have crossed the English Channel and now be menacing Leonardos at the Louvre.)
It might be contended that we are not comparing like with like. As the authors point out, the one work is a not an altogether strict copy of the other. Moreover, the Borghese version is acknowledged to be in superior condition: “the better condition of areas painted in red lake in the Borghese painting is strong evidence that it has not been subjected to such harsh environmental conditions as the National Gallery painting…The Borghese picture has spent almost all its life in two collections in the same city, whereas, the National Gallery’s picture has belonged to at least half a dozen collections and has passed on at least three occasions through the art trade, but too little is known about the conservation history of these paintings, and the conditions in which they have been kept, to explain the difference in preservation.” The euphemistic use of the term “environmental” in lieu of “restorational” and the sly allusion to possible bad restoration experiences at the hands of the “art trade” cannot gainsay the fact that there is abundant evidence of works held at and restored within the National Gallery suffering catastrophic losses in the course of a single in-house restoration – as the before restoration (left) and after restoration (right) comparative details of Rubens’ portrait of Susannah Lunden (shown below at Figs. 11a and 11b) testify.
Click on the images above for larger versions. NOTE: zooming requires the Adobe Flash Plug-in.


4 February 2014

The Futurist Louvre and Leonardo’s Fate: nothing ventured, nothing lost

The more indefensible their restorations, the more museum regimes dig in and shut their ears to criticisms. (With bad restorations the eyes, too, often seem to have been shut.) Given the controversial outcome of the Louvre’s 2011 restoration of Leonardo’s “The Virgin and Child With St. Anne”, it might seem a provocative defiance that the museum should so soon announce that it is not only about to restore another Leonardo (his “La Belle Ferronnière”), as was reported in the Wall Street Journal on 1 February 2014 (Da Vinci Code Red: Restorations Spur Debate), but also the desperately vulnerable “Mona Lisa”.

Vincent Delieuvin, the curator driving (or heading) the restorations, makes a number of claims that lack foundation in the Wall Street Journal article. We had not dared to touch this Leonardo previously, he reportedly says, but now restoration techniques have improved to the point where the museum thinks them safe – even for the Mona Lisa which has become “yellowish and very dark”. The history of modern restoration is peppered with facile claims of technical “advances” that were rushed untested on to great works of art, soon to become the acknowledged follies of yesteryear. (We have often wondered whether the credulous techno-enthusiasts of Futurism, which movement died a swift death, had not migrated into art conservation.) Of what do these latest claimed advances consist? Have they arisen since the 2011 restoration of the “Virgin and St. Anne”, the controversial treatment of which provoked resignations from the restoration’s own advisory committee (as we reported on 28 April 2012 – “Rocking the Louvre: the Bergeon Langle Disclosures on a Leonardo da Vinci restoration”).

On the “La Belle Ferronnière” Mr Delieuvin holds that “The many layers of darkened varnish added over the centuries are getting old and make the painting dark and yellowish”. Such phobic/alarmist language is a constant feature of the would-be restorer’s rationale. After restoration, Mr Delieuvin predicts, the “contrasts and colours will come out again; so will the feeling of movement”. A long-standing (French) charge against intrusive restorers was that in their haste to “liberate” colours and dispel all signs of age in what are old paintings, they remove original material and impart a falsifying, historically inappropriate modernity. Restorers of every generation have insisted that their “advanced science” can prove that no original material was lost. In so saying, they demonstrate cultural naivety and failures to comprehend the nature of that of which art consists and the artistic and art historical, not “techno/scientific”, terrain on which all restoration evaluations should properly be conducted.

Restoration disputes stem from losses of perceived artistic values. Although artists certainly work with and through materials, the materials are not ends in themselves, or even vehicles of intrinisic value. Rather, they are the means by which the “stuff of art” is given fixed material expression. The currency with which artists work is values and the relationships between values. Through these they work by eye to produce artefacts which fix and carry their intentions, so that they might subsequently be optically apprehended by others. In the production of a painting every last feature is a product of thought. But every judgement, evaluation and adjustment is transmitted exclusively through human sight, and not, as techno-conservationists might prefer, through sub-atomic particles of matter, complex chemical formulations or other mystificatory hi-tech red herrings.

Thus, to take Mr Delieuvin’s promised delivery of increases of “contrasts and colours” in the pending Leonardo restoration, we can anticipate the outcome to some considerable degree by applying those very criteria to the last restored Louvre Leonardo, the “Virgin and St. Anne”. On that work it is clear that while an increase in the brightness of colours occurred, it was at the expense of a catastrophic reduction of contrast and strength in the tones by which the heads had been modelled and given corporeal form, as the Poussin scholar, David Packwood, very generously acknowleded on his (excellent) website Art History Today (“Aesthetic Appraisal and the Restoration Process”):

“I’m looking with growing horror at images of pre and post restoration images of the Leonardo Virgin and St Anne in the Louvre. They can be found here, in an article by the head of ArtWatch, Michael Daley. In a balanced and thoughtful post on restoration culture, Michael Daley highlights its real dangers, clearly evident in this latest example…”

When appraising restorations it is essential to do what museum curators and restorers are so clearly reluctant to do in their own catalogues and publications: place directly comparable photographs of before and after cleaning states in the closest possible proximity. This facilitates direct optical appraisal – which is the only methodologically sound and appropriate means of evaluating a work whose appearance has been transformed by a technician’s swabs, solvents, scalpels. It is never possible to compare a restored painting with its own pre-restoration condition because that is irreversibly effaced in the process. Photographs must therefore stand in lieu.

In every photo-comparison shown here of details from the “Virgin and St. Anne”, it is clear to any educated eye that the tonal range that was formerly visible has been massively reduced. This, ipso facto, is a proof of artistic injury: “dirty varnishes” could not have disported themselves in such a manner as to enhance the effects of Leonardo’s own handiwork. Moreover, the values and relationships of values that were perceivable through the varnishes before restoration would, on Mr Delieuvin’s own optical schema, be expected to emerge from a “cleaning” with greatly enhanced, not reduced, power and vivacity – in short, while the lights would certainly be expected to emerge lighter, the half tones and darks should also be strengthened and not diminished – as seen right.

Consider the comparison of the Virgin’s eyes at Figs. 5 and 6. Such has been the loss of modelling-by-shading that the face is reduced to a mask-like reminiscence of its former self. The now obtrusively dark slits of the down-cast eyes are no longer subsumed within the previous anatomically descriptive overall shading of eye sockets. Had Leonardo really painted the face as is presented today as “recovery”, it would be for the restorers, curators and trustees of the Louvre to explain how it was that dirty varnish had formerly imparted superior, Leonardesque traits to the master’s own handiwork. It would also need to be explained why Leonardo might have been content to leave two versions of the pupil of the Virgin’s right eye simultaneously visible on his finished picture.

If we consider the comparison shown at Figs. 7 and 8 of the Virgin’s lower face, another aspect of injury is apparent. That is, as the half-tones have receded under the force of swabs and solvent, the resulting increased zones of brightness leave the face looking looks both fatter and flatter. It is hardly heresy to suggest that Leonardo used shading to turn the surfaces of his heads away from light and into shadow. What kind of benefit, then, has been gained by delivering a lighter, brighter, flatter Leonardo? For what reason and on whose authority was the expression of the Virgin’s mouth altered?

As our colleague at ARIPA, Michel Favre-Felix, disclosed a few years ago, in the Veronese head shown in Figs. 10 to 13, we find evidence of a Louvre house-style of cleaning and repainting that imposes crass puffed-up modernist forms and redrawn and re-modelled features on Renaissance heads. This bizarrely unwarranted policy is accompanied by a cavalier disregard for the norms of museum-world conservation record keeping (as is evident in the Louvre spokeswoman’s reported comments at Fig. 11). The Louvre, as today constituted, is doing indefensible things to the art it holds and feels no obligation even to record or report them. The tragedy is that until quite recently this museum was a model of restoration restraint and a reproach to other institutions. Today, along with with its bonanza of destructive restorations, increasingly we find intrusive and vulgar commercial exploitation by Big Sponsors: “Another Restored Leonardo, Another Sponsored Celebration – Ferragamo at the Louvre”. To think that such a great institution could sink so swiftly into meretricious stewardship and displays of bling.

Michael Daley

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Comments may be left at: artwatch.uk@gmail.com

Above, Figs. 1 and 2: Details of the mouth of Leonardo’s “Mona Lisa” showing the badly fractured “topography” of the paint and varnish layers. In view of the results shown below of the recent cleaning of Leonardo’s “The Virgin and St. Anne”, it is impossible to consider the prospect of a restoration of this painting with anything other than absolute dread. By what means might an attempt be made to separate the infinitely subtle brown modelling of the mouth from the ancient varnishes in which they are presently incorporated?
Above, Figs. 3a and 3b; Figs. 4a and 4b; Figs. 5, 6, 7, and 8: Comparative details of St Anne in Leonardo’s “The Virgin and St Anne” showing the head before and after its recent “cleaning” and “restoration”. In each pairing, the before cleaning state is either to the left or above the post-restoration image.
Above, Figs. 9a and 9b: The head of Leonardo’s Virgin shown before (left) and after (right) treatment.
Above, Figs. 10, 11, 12 and 13.
Fig 10: The cover of the Artwatch UK members’ journal which discussed recent botched restorations at the Prado and the Louvre.
Fig. 11: Coverage in The Week of Dalya Alberge’s 13 June 2010 Observer article “Louvre masterpiece by Veronese ‘mutilated’ by botched nose jobs”.
Figs. 12 and 13: The Louvre’s mutilated Veronese head before (top) and after (above) its covert and unrecorded double restorations.
Below, Figs. 14a and 14b: The mutilated Louvre Veronese head (left), and the homage to the “Mona Lisa” by Botero (right) to which the several-times adulterated Veronese head now bears a strong resembance in its puffed-out forms.
Click on the images above for larger versions. NOTE: zooming requires the Adobe Flash Plug-in.


25 November 2013

Bubbles burst.

A few years ago a director at the Victoria and Albert Museum, was chided for producing blockbusters that bust no blocks. Today, aside from its catering and retailing outlets, that museum – which once advertised itself as “An ace caff, with quite a nice museum attached” – has a department exclusively dedicated to the production of special exhibitions. It generates eight exhibitions a year with a further fifteen travelling around the world at any one time (see “The world is her oyster”, in the Autumn/Winter 2013, V&A Magazine). As more and more of Art’s Flying Dutchmen encircle the globe, an awful lot of holes are appearing in the collections of great museums – as at the Louvre, as Didier Rykner has eloquently demonstrated (“The Louvre Invents the Gruyère Museum” ). This development is perverse as well as regrettable: a chief defence that museums make when seeking funding for expensive acquisitions is that they are needed to fill crucial gaps in a collection.

At the British Museum the number of loans (and therefore holes) doubled between 1985 and 2000, in which year 214 objects or groups of objects were loaned. That was for starters. In 2008, under its present globe-trotting director, Neil Macgregor, the museum got 2,500 objects “on the road” in Britain alone. In a submission this year to the Scottish Parliament, Mr MacGregor boasted that between 2003 and 2013 the museum had loaned over “over 30,000 (many very fragile)” objects, with only eight injuries. In 2006 the BM packed 160,000 visitors in three months into a (physically) small exhibition of Michelangelo’s drawings, at £10 a head (plus takings from the catering and retailing outlets). Mr MacGregor ruefully claimed that three times as many tickets could have been sold had space permitted. The following year he announced plans for a £100m expansion of the British Museum that was reportedly triggered because it had had to turn down a unique chance “to show off” the largest collection of Tutankhamun treasures ever seen in the west (Evening Standard, 6 July 2007), works which went instead to the former Millennium Dome, now re-branded as “02”.

It would seem that nothing in museums is now safe from this international exhibitions jamboree – no work plays too important a role within a collection, or is too fragile, or too unwieldy, to prevent curators from taking a gamble with its welfare (in hope of reciprocal loans and a curatorial buzz). The Metropolitan Museum in New York is one of the most voracious recipient/organisers of exhibitions. It needs to be. Its special exhibitions, which are free, are the biggest justification for the museum’s whopping “recommended” $25 entrance charge (- the legality of which is under challenge). As we have seen, the present director of the Metropolitan, Thomas Campbell, once boasted that only his museum could have shaken-down (“Item: The Met’s Strong-arming of Reluctant Lenders”) other great art institutions to get them to part with the fabulous Renaissance tapestries that were sent to a special show in New York.

The Metropolitan Museum will likely be the first international stop (after a six months stay-over at the British Museum) for a long-planned show of plum works from the Burrell Collection in Glasgow that will take place should the Scottish Parliament oblige the Glasgow City Council by over-turning the prohibitions in Sir William Burrell’s bequest on all foreign loans and vulnerable works within Britain.

Next October in New York, the Museum of Modern Art will host a show of some of the most fragile and difficult-to-transport works of modernism. As Martin Bailey reports in the current Art Newspaper, (“Journey at Snail’s pace”) Henri Matisse’s monumental 1953 paper collage, The Snail, is to leave the Tate for the first time since the gallery bought it more than 50 years ago. It will be a star exhibit in “Henri Matisse: the Cut-Outs”, at Tate Modern next April, that will include its sister works, Memory of Oceania, 1953, and Large Composition with Masks, before travelling to MOMA in New York. Although the itinerary is set, what is not yet clear, Bailey discloses, is how the Tate’s giant and fragile work will travel or even how it will be be packed:

The problem of how to transport the huge work, which measures nearly three square metres, has plagued conservators for years. Paris’s Grand Palais asked to borrow the work for a major retrospective on the artist in 1970, but was refused because of the risks associated with transporting it. Its original late-1960s glazing is being replaced with laminated glass, which will reduce the risk of damage during transportation. However, laminated glass is heavy: with its frame, the work will weigh around 300kg. If the collage is set at a 45° angle within a crate, it will fit more easily through doorways, but if the work is transported flat, it will need a case measuring around four square metres.”

Those keenest to lend and borrow lean heavily on the relative safety of international aviation, but with these particular monumentally large but flimsily constructed works, Bailey discloses that a spokeswoman for the Tate was unwilling to discuss transport arrangements. He has discovered, however, that they might travel by sea because there are almost no cargo planes large enough to carry them, and because the exhibition’s sponsor is… South Korea’s largest shipping company, Hanjin Shipping. Either way, as Nick Tinari of Barnes Watch has repeatedly testified, when Matisse’s mural La Danse was detached from its permanent home at the Barnes Foundation, Merion, and sent off at a 45° angle on an open flatbed truck to the first stop (the National Gallery of Art, Washington) of a world tour, it was to return home badly damaged.

Not only are museums gutting themselves to feed international loan exhibitions, they are, as our colleague in New York, Ruth Osborne, discusses (“The Dismemberment of the Louvre: Travels to Louvre Abu Dhabi promise damages and leave Parisian Museum-goers in the Lurch”), beginning to do so on an even greater scale as part of international “rebranding exercises” in which museum annexes are created in improbable but rich centres so that museums may present themselves as pan-national or global brands (- along with Gucci now read Guggenheim). A lot of money is being made and a lot of careers advanced. Some journalists effectively double as cheerleaders for the tourism-fuelled cultural arts economies of centres like London and New York. However, along with these booming arts economies, risks are rising – and not just with the works of art: those who blithely authorise streams of loans risk putting their own reputations on a block.

Michael Daley

NEWS UPDATE 26-11-13

The Guardian today carries this letter from ArtWatch UK:

You illustrate the new exhibition of Turner seascapes at the National Maritime Museum with a giant reproduction of the artist’s now badly wrecked, many-times restored ‘Rockets and Blue Lights’ without issuing any kind of art conservation health warning (Eyewitness, 21.11.13). A clue to the extent to which this picture is no longer a remotely fair representation of Turner’s work is found in the picture’s full title, ‘Rockets and Blue lights (Close at Hand) to Warn Steamboats of Shoal Water’ – for this was once a painting of two steamboats in distress, not of one. The now lost boat was recorded in a large chromolithographic copy of the painting that was commissioned in 1852, and in a photograph of 1896. Viewers who compare your present image with the recorded earlier states of the picture will likely marvel at the transformation by twentieth century restorers of the sky, and at the losses of storm-driven smoke from the funnels of the original pair of steamboats, one of which vessels has now disappeared under the waves along with its originally depicted crew members.”

In the ArtWatch UK Journal No 19 (Winter 2003), we carried an article by the artist Edmund Rucinski (“Ship lost at Clark. Many records feared missing. Establishment unfazed.”)

Unfazed the establishment was then – and, evidently, so remains today. Despite the disappearance of the second boat (and its smoke) in a recent cleaning, the owners of the Turner, The Sterling and Francine Clark Art Institute of Williamstown, USA, had included the work in a travelling exhibition (“Turner – The Late Seascapes”) that ran at the Clark from June to November in 2003, before transferring across the Atlantic to the Manchester Art Gallery in January 2004 and then on to Glasgow in March 2004.

At a public lecture at the Clark Institute, on 2 August 2003, Edmund Rucinski (who knew of the 1852 chromolithographic copy shown right) had been astonished to hear the restorer, David Bull, claim that the picture had originally depicted a single boat and that the second, now-removed, boat had not been painted by Turner but was a restorer’s addition made, possibly for Lord Duveen around 1910. That claim slowly sank. When Rucinski spoke to David Bull and asked on what authority the second boat had been removed, he replied that it was on a photograph of a single-boated copy of the painting that had been supplied by the Clark Institute’s senior curator, Richard Rand.

On 15 October 2003, the Times’ arts correspondent, Dalya Alberge, reported that when asked how it had been established that the second boat could not have been painted by Turner, Mr Bull had said: “The answer is we don’t know. It was a general consensus.” Thus, what had been presented publicly as a historically verified certainty was downgraded within a couple of months to a best guess, collective assumption. That position was maintained for several months and was reiterated in the Manchester Evening News of 14 January 2004, which reported: “The American owners of the painting and the restorer…say a second boat may have been added by an early 20th century restorer”.

On 28 March 2004 the show moved to Glasgow and the Glasgow Herald reported that the Clark’s senior curator had said “We have always maintained that the original Turner had two boats”. The importance of heavy promotion for travelling exhibitions was demonstrated in October 2003 when the Tate, which had not taken part in the travelling exhibition, nonetheless issued a press release that ended with the following claim:

One of the stars of the show is Turner’s dramatic “Rockets and Blue Lights (Close at Hand) to Warn Steamboats of Shoal Water”, 1840 which has recently undergone major conservation and is a loan from the Sterling Clark Art Institute, Williamstown, USA”.

In additions to newspaper reports of critisms of the restoration, many interventions were made by scholars, as below:

“Since ‘Slavers’ and ‘Rockets’…have ended up in collections geographically so close to each other, it struck Hamilton [James Hamilton, the show's curator] as a good idea to show them together, arguing that Turner had intended them as a pair. The first snag was that Boston decided that ‘Slavers’ was too unstable to travel, even to Williamstown, so it was not in the show at all…But there is a danger that Turner has become a guaranteed crowd-puller, to be had recourse to at the expense of equally interesting but less certainly popular subjects. This is not a development to be welcomed, if only because Turner’s works are exceptionally vulnerable: the paintings, to the stresses of travel on their experimental construction; the watercolours to the exposure of light. He is not a resource that can be exploited indefinitely…”

~ The Turner scholar, Andrew Wilton, in a review for the Burlington Magazine, March 2004.

The ‘Slavers’ of which Wilton spoke, is Turner’s oil painting Slavers throwing overboard the dead and dying – Typhoon coming on. In 2000 the Museum of Fine Arts in Boston which owns the painting found it to be damaged and “extremely unstable” on return from a loan to the Tate Gallery. Despite having been “glazed and sealed against changes in relative humidity, the picture [had] reacted significantly to the voyage” and lost flakes of paint. An unfazed (and institutionally unrepentant) Tate spokeswoman said in response to disclosure of the damage:

“It arrived here safely where it was examined thoroughly. Its condition was stable…However, Turner’s paintings are notorious for becoming unstable.”

Indeed they are. So why the incessant demands from temporary exhibition organisers to keep borrowing them? And why the systematic attempts to deceive the public into believing that the most restoration-wrecked pictures are the “stars” of the shows?

For our part, we have repeatedly drawn attention to these travel-induced injuries. On 24 October 2007 the Daily Telegraph carried this letter from ArtWatch UK:

“Sir – The Mellon Center’s decision (report, October 17) to break its own rule never to lend Turner’s fragile ‘Dort or Dordrecht: The Dort Packet-Boat from Rotterdam Becalmed’ seems perverse: only seven years ago, the Museum of Fine Arts in Boston lent its Turner ‘Slavers throwing overboard the dead and the dying, Typhoon coming on’ to the Tate. On its return to Boston, that painting was found to have suffered losses of paint and to be in an ‘extremely unstable’ condition.
A Tate spokeswoman said: ‘It arrived here safely…Its condition was stable…However, Turner’s paintings are notorious for becoming unstable.’
This being so, why are trustees and curators prepared to take such risks with priceless works of art?”

Clearly, the question still stands.

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Above, Fig. 1: An empty Louvre plinth – one of very many shown in The Art Tribune: “Poitou, second half of the 12th c. Two Torsos of Bearded Men, one is being restored, the other is in Lens (but we don’t know until when)”. Photograph, by courtesy of Didier Rykner.
Above, Fig. 2: Matisse’s The Snail, by courtesy of the Tate. The paper collage is undergoing conservation so that it might be better secured to its linen canvas support, which is lined with brown paper. For the relationship between paper and support in another Matisse cut-out, see at Fig. 5, the raking photograph of his Large Composition with Masks at The National Gallery of Art, Washington.
Above, Fig. 3: Matisse’s Memory of Oceania, The Museum of Modern Art, New York. Photograph: © 2013 Succession H. Matisse, Paris / Artists Rights Society (ARS), New York.
Above, Fig. 4: Matisse’s Large Composition with Masks, The National Gallery of Art, Washington. Photograph by courtesy of the BBC.
Above, Fig. 5: Matisse’s Large Composition with Masks, The National Gallery of Art, Washington. Note the imperfect adhesion of the paper to its support. Photograph: by courtesy of A Curious Gardner
Above, Fig. 6: A large painting being prepared for transport from the Musée d’Orsay.
Above, Fig. 7: A large painting from the Musée d’Orsay being loaded into a lorry.
Above, Fig. 8: Matisse’s three panels mural La Danse arriving at the Washington National Gallery of Art from the Barnes Foundation in Merion, Pennsylvania, for the first stop on its controversial world tour in 1993-95. Note that, contrary to reassurances given by the National Gallery of Art to the court that granted “once in a lifetime” permission to tour, the mural was carried on an open truck. Photograph by courtesy of Danni Malitski.
Above, Fig. 9 and below, Fig. 10: the right hand panel of Matisse’s La Danse, when on exhibition at the Philadelphia Museum of Art at the end of the world tour. Note the corrugations on the formerly taught and “in-plane” canvas. Photographs by Nicholas Tinari.
TRAVEL INJURIES OF THE BARNES COLLECTION PICTURES:
For Nicholas Tinari’s submission to the Scottish Parliament’s scrutinisng committee on the Lending and Borrowing Scotland Bill, in which he testified to injuries witnessed when following the Barnes’ paintings on five legs of the 1993-95 world tour; and to wide swings in relative humidity witnessed when the works were in transit and on exhibition, click here.
THE DEGRADED CONDITION OF TURNER’S ‘ROCKETS’.
Top, a detail of Turner’s Rockets and Blue Lights, as recorded in Robert Carrick’s chomolithographic copy of 1852.
Above, the same detail of Turner’s Rockets and Blue Lights, as reproduced in the Guardian of 21 November 2013.
Above, top: A detail of Turner’s Rockets and Blue Lights, as copied in Carrick’s 1852 chromolithograph.
Above, middle: A detail of Turner’s Rockets and Blue Lights, as recorded in 1896. Photograph by courtesy of Christie’s.
Above: A detail of Turner’s Rockets and Blue Lights, as reproduced in the Guardian of 21 November 2013.
Above, top: The left-hand side of Turner’s Rockets and Blue Lights, as recorded in Robert Carrick’s chomolithographic copy of 1852 (and as published in the ArtWatch UK Journal No 20).
Above: The left-hand side of Turner’s Rockets and Blue Lights, after its last restoration at the Clark Arts Institute (and as published in the ArtWatch UK Journal No 20).
Above, the Boston Museum of Art’s Turner Slavers throwing overboard the dead and dying – Typhoon coming on; below, detail of the Slavers.
Click on the images above for larger versions. NOTE: zooming requires the Adobe Flash Plug-in.


18th July 2012

L. O. L. It’s Peeping Tom Time at the National Gallery!

A little over a decade ago we were requested to move away from Titian’s “Bacchus and Ariadne” by a member of the National Gallery’s education department who was about to give a talk. Her narrative thrust on this great canvas (which had been glued by restorers on to a sheet of “Sundeala” board) proved more sociological than artistic or art historical. It had a villain – the original patron – who, the audience learned, had been a rich dirty old man who supplied extravagantly expensive pigments for an ostentatiously sexy depiction of a victim – an abused mythical woman – who would provide literary cover for his private delectation within his own apartment.

If the Gallery had then hit a low with such travestying philistine cant, we now find that in its drive to increase visitor numbers and extend social constituencies, it has jettisoned the very distinction between Art and Life. Pictures acquired at immense expense in the name of the Public Good are no longer treated as self-sufficient imaginatively crafted works that merit reciprocally reflective attention from the viewer but as pretexts for real-life events of a titillating, humanly exploitative and degrading nature.

Thus, in the bureaucratised stew that is the Cultural Olympiad’s London 2012 Festival, the National Gallery has permitted Titian’s great poesies to serve as springboards to three “edgy” artists. In 2001, in a drawing for Jackdaw (see Fig. 4), we had already marked one of this triumverate, Mark Wallinger, as a clown ripe for elevation to the National Gallery Pantheon, and today, with few honourable exceptions, the newspaper art critics have duly fawned over his efforts:

Inspired by the voyeurism that Ovid loved to describe, Wallinger has created a live peep show featuring a naked woman taking a shower. Locked away in a black wooden box, the showering woman can be spied upon, in the round, through four openings…”, said Waldemar Januszczak, in The Sunday Times.
Where Januszczak (who recently attacked the restoration of Titian’s “Bacchus and Ariadne”) aptly dismissed Wallenger’s degrading stunt as “exhibition bait to draw the crowds” and likened it to “those ads you see in lads’ mags that use naked girls to sell a car”, in the Times, Rachel Campbell-Johnston saw Wallinger’s wheeze as “atmospheric”.
Ben Luke, in the Evening Standard, takes Wallinger as a spell-casting magician:
Wallinger casts us as Actaeon, the voyeur.”
In the Financial Times, Jackie Wullschlager had “laughed out loud”, noting that “In a typical piece of Wallinger democratic wit”, the artist had “advertised for performers called Diana to pose naked, reclining in a bath, washing, looking in a mirror; each does so in turn for two hours.” Like Luke, Wullschlager thrills at the artist’s magically manipulative powers: “We, like Actaeon, are peeping Toms arrived at an unfamiliar place…We queue to gawp, not knowing what to expect, and are ridiculed as voyeurs”.

We are so cast only if we choose to play the chump-role that is offered as a legitimately “performative” (to use Sir Nicholas Serota’s term-of-the-moment) contribution to art. We do not have to do so. We do not have to be complicit with museum educators’ perverse cultural de-constructions. Rather, we might ask them why they do not consider this particular use of real people – women hired-in for the duration – to be a form of “sexploitation”. We might also ask them, as public educators, to explain the connection that they believe Wallinger’s stunt has with Ovid’s stories and Titian’s depictions of them. Even if Wallinger cannot see that Acteon was the very opposite of a voyeur – a man who had had the great misfortune accidentally to intrude upon a bathing goddess – might we not ask why no one at the National Gallery felt able to disabuse him.

Michael Daley

Ruined Renoirs

Our examination of the fate of more than twenty Clark Art Institute Renoirs now showing at the Royal Academy will follow in the next post.

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Above, Fig. 1: Left, Titian’s “Diana and Actaeon”, as currently on display at the National Gallery (Detail, photograph by Bethany Clarke/Getty Images); right, the same painting in 1993 before its second restoration at the National Galleries of Scotland.
Above, Fig. 2: Press coverage in the Daily Mail (July 16th 2012) of the responses to the National Gallery’s offer to gawp for free at naked women bathing.
Above, Fig. 3: A National Gallery invitation to the Credit Suisse-sponsored naked women bathing event which reads:
“Start your weekend with an evening experience at the National Gallery. With live music, a pop-up bar, Lates guided tours and special Metamorphosis: Titian 2012 events, the National Gallery is the perfect place to meet and make friends or lose yourself in the collection.”
Above, Fig. 4: The author’s depiction of Mark Wallinger.
Below, Fig. 5: Quentin Lett’s coverage (Daily Mail, 14th July 2012) of our 11 July post “Stone-washed Renoirs and the Shock of the Undone”.
Click on the images above for larger versions. NOTE: zooming requires the Adobe Flash Plug-in.


28 April 2012

Rocking the Louvre: the Bergeon Langle Disclosures on a Leonardo da Vinci restoration

ArtWatch has been haunted for two decades by a nearly-but-not-made restoration disclosure. In the 1993 Beck/Daley account of the Nippon TV sponsored Sistine Chapel restoration (Art Restoration: The Culture, the Business and the Scandal), we reported that in the late 1980s Leonetto Tintori, the restorer of Masaccio’s “Trinity” in the Santa Maria Novella, Florence, and a member of the international committee that investigated the controversial cleaning, had “urged the Sistine team privately to preserve what he termed ‘Michelangelo’s auxiliary techniques’ which in his view included oil painting as well as glue-based secco” (p. 111). What we had not been able to say was that Tintori (who died in 2000, aged 92) had prepared a dissenting minority report expressly opposing the radical and experimental cleaning method.

Shortly before the press conference called to announce the committee’s findings, Tintori was persuaded by a (now-deceased) member of the Vatican not to go public with his views. He was assured that his judgement had been accepted and that what remained on the Sistine Chapel ceiling of Michelangelo’s finishing auxiliary secco painting would be protected during the cleaning. With a catastrophically embarrassing professional schism averted, the restoration continued and the rest of what Tintori judged to be Michelangelo’s own auxiliary and finishing stages of painting was eliminated. Without knowledge of Tintori’s highly expert dissenting professional testimony, the public was assured that despite intense and widespread opposition the cleaning had received unanimous expert endorsement. Critics of the restoration were left prey to disparagement and even vilification.

On January 4th, we noted that in the widely reported schism that emerged at the Louvre with the resignations of Ségolène Bergeon Langle, the former director of conservation for the Louvre and France’s national museums, and, and Jean-Pierre Cuzin, the former director of paintings at the Louvre, from the Louvre’s international advisory committee on the restoration of Leonardo’s “Virgin and Child with St. Anne”, it had been recognised that the resulting crisis of confidence was of a magnitude not seen since the Sistine Chapel controversy. Restoration advisory committees are not imposed on museums and customarily they serve as political/professional fig leaves. In the wake of the Louvre committee resignations, embarrassed and perhaps panicky members of the museum’s staff offered self-contradictory and unfounded assurances (see below). In January, the Louvre’s head of painting, Vincent Pomarède reportedly claimed that “The recent cleaning was absolutely necessary for both conservation and aesthetical reasons.” This assurance proved unfounded on both grounds. Pomarède added that no member of the committee “has ever said that the cleaning was not prudent and had gone too far technically.” One has now done so – publicly – and left museum restorations under an unprecedented spotlight.

During an earlier cleaning controversy at the Louvre, Edgar Degas threatened to produce an anti-restoration pamphlet that would be what he termed a “bomb” – but he never did so, so far as we know. Now, as Dalya Alberge reports in the Guardian, the French Le Journal des Arts yesterday published an interview with Ségolène Bergeon Langle of truly momentous if not incendiary consequence (see below). We learn that her resignation came after no fewer than twelve letters requesting information on the restoration’s course went unanswered; that it was made in specific and pointed protest against the use of retouching pigments whose safety had not been proven; and, that the Louvre’s public claims of some pressing conservation need to remove the varnish were false, having been made despite it being known within the museum that any potential threat to the paint came not from the varnish but from a single faulty board in the picture’s panel which was reacting to the museum’s insufficiently stable environmental conditions. Perhaps most disturbingly serious for art lovers are Bergeon Langle’s disclosures that along with old (but nonetheless still protective) varnishes, original material of Leonardo’s was removed – against her advice – from the painting; and, aesthetically, that it is confirmed that the modelling of the Virgin’s face was weakened (see Figs. 1 and 2; and, for weakening to the modelling of St. Anne’s face, Figs. 12 and 13).

That the Louvre authorities would not inform even so distinguished a member of its own advisory committee might suggest either that the restorers had not known in advance what they would be doing to the painting; or, they feared that disclosure of their intentions would provoke opposition within the advisory committee. Either way, this was clearly an unacceptable (if not improper) way for a museum to execute irreversible alterations to one of Leonardo’s most advanced sophisticated, complex and problematic works. To Bergeon Langle’s now public “insider” criticisms, additional detailed material to highlight further Louvre procedural shortcomings and misrepresentations to the press and to the public will shortly be presented by Michel Favre-Felix, the president of the Association Internationale pour le Respect de l’Intégrité du Patrimoine Artistique (ARIPA). Favre-Felix is also to call formally for the establishment of a national scientific ethics committee that would be independent of museums and their restoration teams and be charged with re-examining the conservation file on the challenged St. Anne restoration.

A second member of Louvre’s advisory committee, Jacques Franck, the world authority on Leonardo’s painting technique, has said to the Guardian that a restoration likely to generate such disapproval from leading figures should never have been undertaken in the first place and, given that Ségolène Bergeon Langle is unquestionably France’s highest authority on restoration matters, her alarmed protest is therefore one that should mean a lot to both Leonardo scholars and art lovers the world over.

Unfortunately, the restoration-induced changes on the St Anne are not unprecedented. It is Art’s general tragedy that while scholars have quietly enlarged the oeuvre of Leonardo over the last century and a half, restorers have repeatedly swabbed and scritched away at the surviving fabric of those precious works – sometimes to an astounding degree, as with the “Last Supper” in Milan. With the National Gallery’s substitute version of the “Virgin of the Rocks” we have seen how the distinctive Leonardesque expression on the angel’s mouth was altered (without any acknowledgement) despite the fact that a distinguished scholar and former director of the Gallery, Kenneth Clark, had seen the angel’s face as being “the one part of our Virgin of the Rocks where the evidence of Leonardo’s hand seems undeniable, not only in the full, simple modelling, but in the drawing of the hair”. It is a matter of note that four of the most enthusiastically supportive members of the Louvre advisory committee were drawn from the curators and restorers who were directly responsible for the London and Milan Leonardo restorations.

Of Leonardo’s accepted earlier paintings, in 1939 Kenneth Clark lavished especial praise on the treatment of modelling found on two portrait heads – and in his enthusiasm, he awarded the palm of best preservation to both of them. The “Ginevra Benci”, then in the Liechtenstein Collection but now in the National Gallery of Art, Washington, was judged “the best preserved of all Leonardo’s early pictures”; one that “shows most clearly his intentions at this period”; and, one where “within the light oval of the face there is very little shadow, and the modelling is suggested by delicate gradations of tone, especially in the reflected lights.” Clark thrilled to the great refinement of execution: “We see a similar treatment of form in Desiderio’s low reliefs, controlled by the same sensibility to minute variations of surface. There are passages, such as the modelling of the eyelids, which Leonardo never surpassed in delicacy, and here for once he seems to have had none of that distaste for the medium which we can deduce from his later paintings, no less than from contemporary descriptions of his practice.” Ever aesthetically alert and deft, Clark saw all of these ultra-refined technical devices as being entirely “subordinate to the feeling of individual character with which Leonardo had been able to charge his portrait, so that this pale young woman has become one of the most memorable personalities of the Renaissance.” (We are grateful to Carroll Janis for drawing attention to this passage.)

Clark’s alertness to the physical/aesthetic characteristics of Leonardo’s hand was to the fore in his reflections on the “Portrait of a Musician” at the Ambrosiana in Milan. In the “subtle luminous modelling” of its head and its “delicate observation of light as it passes across the convex forms”, this work could only be “by Leonardo’s own hand alone and unaided” and it was “very similar to that of the angel in the Virgin of the Rocks”. As it stood before 1939, this too was “perhaps the best preserved of Leonardo’s paintings”, and in it we were then able to “learn something of his actual use of pigment, elsewhere obscured by dirty varnish, and we see that it was less smooth and ‘licked’ than that of his followers.”

Ironically, Clark, with his pathological aversion to “dirty” varnish (which is to say, old varnish on an old painting on an old support), was more responsible than anyone for the subsequent museum restoration/stripping mania. Looking around today’s museums, it is hard not to conclude that Clark might have been more careful in his wishes. Bergeon Langle’s warning against the modern addiction to penetrative imaging systems is particularly apt and timely: the hyper-active restoration changes (see right) made to the modelling and to the expression of those precious living Renaissance faces have cumulatively thinned and abraded pictures surfaces and material components and thereby remorselessly pushed great paintings into sad resemblances of their own infra-red under-states (see particularly, Figs. 4-11 and 19 & 20). Technical curiosity kills more than cats. In the case of Leonardo it has contrived to pull that artist back from his own increasingly lush highly-wrought subtly atmospheric shading towards the brilliant but thinner decorous linearity of Botticelli, when any comparison of the “Mona Lisa’s” hands with those of Leonardo’s “Annunciation” would have warned precisely against such perverse and regressive adulterations.

The interview given to Le Journal des Arts of 27 April, by Ségolène Bergeon Langle read as follows:

Why resign from the Louvre’s scientific advisory committee for the St Anne? “In January 2011 the committee had agreed on a gentle cleaning of late varnishes and the removal of the stains on the Virgin’s cloak. Yet, between July and October 2011 a more pronounced cleaning was done and presented as ‘necessary’, which I objected to. I was then faced with people who would oppose my position, which is technical and not based on aesthetics. My 12 letters [to the Louvre] asking for precisions on some aspects of the cleaning process and on the materials to be used for retouching, remained unanswered. I had to resign (on December 20th, 2011) to be heard just on one specific point: the Gamblin retouching pigments were not to be used since their innocuousness is not proven. Right from the beginning, false ideas have been put forth, like calling ‘repaints’ original retouches by Leonardo in the work’s early stages, or to attribute flaking in the paint layer to the ‘contracting varnish’, a [consequence that was] actually due to the sawing up of the wood [panel]…”

What do you think of the work done? “In my opinion, the precautionary principle hasn’t been respected. We must face the fact that the Virgin’s face is less modelled now. The cleaning should never have gone so far. However, I was happy that the grove [of trees] be preserved and, also, the ground’s material constituents that some ‘felt’ not original (though between January and April 2011 a brown-greenish section of the ground, located below St Anne’s elbow had been removed already). Besides, another matter of much controversy, the whitened layer on Christ Child’s body, has mistakenly been understood as a late varnish [that has] gone mouldy. I’m inclined to believe it was an irreversibly altered [original] glaze and, therefore, I have recommended that it be preserved, but nobody would hear me.”

The current Leonardo exhibition implies that his other paintings in the Louvre should be cleaned also. How do you feel about that? “Just not to do it, by all means! The original flesh paint in the St John-the-Baptist, being rich in oil, displays a significant network of drying cracks and might be fragile in the event of cleaning. For sure, scientific methods are essential but they need sound interpretation and wisdom dually… To date, there is too much boldness originating mistakes and an alarming fascination for infra-red investigation whereby are revealed under-layers that were never meant to be seen.”

Michael Daley

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ArtWatch_UK_28_04_2012_Rocking_the_Louvre_File

 

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Above, Fig. 1: The Virgin (detail) from Leonardo’s “Virgin and Child with St. Anne”, before restoration.
Above, Fig. 2: The Virgin (detail) after restoration.
Above, Fig. 3: Left, the short Louvre catalogue, published in 2012 after the restoration; right, a plate of the same heads published in 1992.
Above, left, Fig 4: Leonardo’s “The Musician” as published in 1945. Above, right, Fig. 5: an infra-red photograph of the musician published in 2011.
Above, Fig. 6: The musician, as in 1945. Above, right, Fig. 7: the musician, as published in 2011. By any optical appraisal, it can be seen that Leonardo’s painting presently stands somewhere between its 1945 self and an infra-red photograph of itself.
Above, Fig. 8: The musician, detail, as recorded in 1945.
Above, Fig. 9: The musician, detail, as found in 2011.
Above, Fig. 10: The musician, detail, as recorded in 1945.
Above, Fig. 11: The musician, as found in 2011.
Above, Fig. 12: The eyes of St. Anne, in Leonardo’s “Virgin and St. Anne”, before its cleaning at the Louvre.
Above, Fig. 13: The eyes of St. Anne, as found after the picture’s cleaning at the Louvre.
Above, Fig. 14: The eyes in Leonardo’s “Ginevra Benci”, as seen in Bode’s 1921 Studien über Leonardo da Vinci.
Above, Fig. 15: The eyes of “Ginevra Benci”, as found in 2011.
Above, Fig. 16: Andrea del Verrocchio’s “Flora”.
Above, Fig. 17: “Ginevra Benci”, detail, as seen in 1921.
Above, Fig. 18: “Ginevra Benci”, detail, as seen in 2011.
Above, Fig. 19: The musician, detail, as found in 2011.
Above, Fig. 20: The musician, detail, as found in 2011.
Can all the photographs in the world be wrong?
Might anything ever count as a fair demonstration of a restoration-induced injury?
Can no curator or trustee appreciate the inherent physical dangers when allowing restorers, who work with sharp instruments and highly penetrating solvents from the top down, to act upon pictures which artists have built from the bottom up in order to leave their finest and most considered effects exposed at the picture’s surface? Can no one in authority appreciate that every authorised restoration is an accident waiting to happen?
Does no curator ever wonder what has happened to eyebrows and the shading around eyes – and mouths, and nostrils – when pictures are “cleaned” or “restored”? Does no curator appreciate the vital function that shading serves for artists who are attempting to capture from nature, or to evoke imaginatively, a precise and specific personality, state of mind, engagement with the world? Does no curator recognise the tell-tale signs when restorers subvert artistically conjured forms and change the expression on subjects faces?
Would Kenneth Clark, if he were alive today, still consider “Ginevra Benci” and “The Musician” to be Leonardo’s best preserved works – and if not, why not? In the art trade it is recognised that the best preserved works are those that have been preserved least often by “conservators” and “restorers”. Why do people who are charged with protecting art in within the museum service so often take a contrary view? What supports their apparent belief that a much or a radically restored work may count as a “best preserved” specimen?
They all use the words freely, but do any Leonardo scholars, or Leonardo exhibition organisers, truly comprehend the vital conceptual connection between an artist’s system of illusionistic shading and the forms that sculptors literally build? Are any scholars prepared to discuss the manifest changes to Leonardo’s works that emerge in each successive monograph? The elephant in the art restoration room is this: while photography and book reproduction methods improve ceaselessly (see in particular the excellent and instructively enlarged photographs in Giovanni Villa’s Leonardo da Vinci – Painter, The Complete Works), authors themselves habitually refrain from discussing the nature of the often profoundly altered states to which their photographs testify. Ségolène Bergeon Langle, a conservation scientist, has bravely lifted the lid. Will others now discuss what lies below?
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