Michelangelo Merisi da Caravaggio (1571-1610) has long been recognized as one of the great innovators in the history of art. Through detailed analysis of paintings from his early Roman period, 1594-1602, this study now situates his art firmly within both its humanistic and its scientific context. Here, both his revolutionary painterly techniques--pronounced naturalism and dramatic chiaroscuro--and his novel subject matter--still-life compositions...