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
Horse and Rider (Leonardo da Vinci) it now remains in a temperature-controlled private collection in London. The sculpture was attributed to Leonardo da Vinci by art historian Carlo Pedretti in 1985, mainly due to a note Leonardo had written for himself in another work. On a c.1503-1504 worksheet from the Codex Windsor set of Leonardo's drawings are sketches of horses, believed to be part of a study for the painting of "The Battle of Anghiari". In the middle of the sheet is a note to "make one of wax about finger long", and the bucking posture of one of the horses is similar to the sculpture.