Leonardo da Vinci’s The Last Supper is probably the second most famous painting in the world—after the Mona Lisa. But there is some question about what it portrays. It was painted in the late 15th century on the plaster wall of a refectory (dining room) of a monastery in Milan. Instead of a durable fresco in which the paint is applied to wet plaster, Leonardo painted a secco, in which oil tempera paints are applied to dry plaster and can easily flake off. The Last Supper has been subject to numerous restorations, the latest completed in 1999,a and today […]
