Largely neglected for the four centuries after his death, the fifteenth century Italian artist Piero della Francesca is now seen to embody the fullest expression of the Renaissance perspective painter, raising him to an artistic stature comparable with that of Leonardo da Vinci and Michelangelo. But who was Piero, and how did he become the person and artist that he was? Until now, in spite of the great interest in his work, these questions...