At Large  June 10, 2026  Annah Otis

The Art of Restoring Masterpieces in the Public Eye

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Gustave Courbet, A Burial at Ornans, 1849-50. Pre-restoration. License.

The backroom work of conservation is increasingly becoming a form of public engagement and education at museums that have turned the restoration of their greatest works into forms of theater. Conservators lean in with swabs of cotton and tiny brushes to restore paintings inch by inch, while museumgoers peer through plexiglass as if at the zoo. 

Gustave Courbet’s monumental A Burial at Ornans, stretching 22 feet wide and 10 feet high, is one of the most recent examples of this trend. The Musée d'Orsay constructed a makeshift atelier of plexiglass on its ground floor specially for the multi-year project. On Thursdays, the museum sets up folding chairs and offers free lectures with time-lapse videos to demonstrate how the restoration has progressed over time. The creation of a more interactive process allows institutions to demystify, or perhaps even establish, the great lengths that must be gone through to properly care for art.

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Giovanni Bellini, San Giobbe Altarpiece, c.1487. License.

Under the public’s watchful eye and layers of time-darkened varnish, restorers discovered that Courbet’s scene of funeral goers was altered several times by the artist before it was finished. Figures and a large signature in orange letters were painted and then covered over. The conservation team was also able to bring more clarity and detail to several key elements of the piece: the burial pit is more visible; the handle of a pickax is legible; and pieces of bone have been revealed. An undisclosed sum from the Bank of America is being used to pay for the project.

At the Gallerie dell’Accademia in Venice, Giovanni Bellini’s 15-foot San Giobbe Altarpiece is likewise being restored behind glass where it hangs, as it was deemed too fragile to move. This is the painting’s latest of more than half a dozen restorations since the early 19th century and will take two years to complete. More than half of the €500,000 project is being funded by Venetian Heritage, a nonprofit dedicated to preserving Venice’s art and architecture.

Last year, the Royal Museum of Fine Arts Antwerp offered visitors the chance to see six conservators work on Peter Paul Rubens’ Enthroned Madonna Adored by Saints. Some observers voiced concerns that the painting was being ruined rather than saved as restorers stripped away yellowed varnish and reapplied paint in a process that can look like destruction without the appropriate context. Extensive non-invasive research is conducted with ultraviolet fluorescence, infrared imaging, and other tools before any restoration is attempted. And when conservators do end up painting over select sections, they do so with paints that can be easily removed, so everything can be reversed if needed.

Photo: Rijksmuseum/Henk Wildschut

A platform for the conservators of Rembrant’s The Night Watch at Rijksmuseum. Source

The Rijksmuseum’s Operation Night Watch is perhaps the most well-known example of public restoration, during which millions of visitors will observe Rembrandt van Rijn’s The Night Watch undergo work. In 2024, eight conservators in a see-through glass chamber began removing centuries of accumulated varnish darkening to reveal a daylight scene. This followed five years of research using everything from digital imaging to artificial intelligence.

What these projects share is a conviction that the public has a stake in understanding and experiencing conservation up close. The educational angle may also make it easier to secure funding. Regardless, restoration becomes less of a definitive act and more of an ongoing relationship between a piece and the people responsible for its care.

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