Conservation-restoration of Leonardo da Vinci's The Last Supper until 1498. The scene is understood to depict the Bible verse John 13:22, showing the reactions of the Twelve Disciples, at the Last Supper, in the moments following Jesus’s announcement that one among them will betray him. When he received the commission for "The Last Supper", Leonardo da Vinci had never worked on a piece of this great a size, fifteen feet high by almost twenty-nine feet wide. He also had very limited experience working in the technique known as fresco, mixing pigment into wet plaster to create a permanent bond. Traditionally, fresco painters put down many successive layers of
The Last Supper (Leonardo da Vinci) have since been lost as the painting deteriorated. Two early copies of "The Last Supper" are known to exist, presumed to be work by Leonardo's assistants. The copies are almost the size of the original, and have survived with a wealth of original detail still intact. One, by Giampietrino, is in the collection of the Royal Academy of Arts, London, and the other, by Cesare da Sesto, is installed at the Church of St. Ambrogio in Ponte Capriasca, Switzerland. A third copy (oil on canvas) is painted by Andrea Solari ("c." 1520) and is on display in the Leonardo da