Why is Leonardo da Vinci's "The Last Supper" in such bad shape?
Leonardo da Vinci's "The Last Supper" began deteriorating within his lifetime because he experimented with painting on dry plaster instead of using traditional fresco techniques.
Reference: Encyclopaedia Britannica
Leonardo da Vinci's "The Last Supper" began deteriorating within his lifetime because he experimented with painting on dry plaster instead of using traditional fresco techniques.
Rembrandt made nearly 100 self-portraits, including paintings, drawings, and etchings.
Traditional film photography used light-sensitive silver halides.