Antoine Chrysostome Quatremère de Quincy (1755-1849) was the most important Neoclassical art historian in the generation after Johann Joachim Winckelmann (1717-1768). It is difficult now to appreciate his importance, due in part to the lack of translations of his 21 published books: three were rendered into English in the 19th century, and one in the 21st. The Moral Considerations has long bee…