Art historian Henry M. Sayre traces the origins of the term "value" in art criticism, revealing the politics that define Manet's art. How did art critics come to speak of light and dark as, respectively, "high in value" and "low in value"? Henry M. Sayre traces the origin of this usage to one of art history's most famous and racially charged paintings, ?douard Manet's Olympia. Art critics once described light and dark...