Unmatched in his ingenuity, technical prowess, and curiosity, Leonardo da Vinci (1452-1519) epitomizes the humanistic ideal of the Renaissance man: a peerless master of painting, sculpture, cartography, anatomy, architecture--and more. Simultaneously captivating art historians, collectors, and the millions who flock yearly to admire his works, Leonardo's appeal is as diffuse as were his preoccupations. His images permeate...