The virgin with the laughing child, terracotta, c1475/78. Andrea del Verrocchio (c. 1435 - 1488), born Andrea di Michele di Francesco de' Cioni, was a sculptor, Italian painter and goldsmith who was a master of an important workshop in Florence. Leonardo di ser Piero da Vinci (15 April 1452 - 2 May 1519) was an Italian polymath of the High Renaissance who was active as a painter, draughtsman, engineer, scientist, theorist, sculptor, and architect