Leonardo and the Last Supper

Early in 1495, Leonardo da Vinci began work in Milan on what would become one of history's most influential and beloved works of art—The Last Supper. After a dozen years at the court of Lodovico Sforza, the Duke of Milan, Leonardo was at a low point personally and professionally: at 43, in an era when he had almost reached the average life expectancy, he had failed, despite a number of prestigious commissions, to complete anything that truly fulfilled his astonishing promise. His latest failure was a giant bronze horse to honor Sforza's father: his 75 tons of bronze had been expropriated to be turned into cannon to help repel a French invasion of Italy. The commission to paint The Last Supper in the refectory of a Dominican convent was a small compensation, and his odds of completing it were not promising: Not only had he never worked on a painting of such a large size—15' high x 30' wide—but he had no experience in the extremely difficult medium of fresco. In...