Born in Florence in 1500, died in 1571; worked in Pisa from
1516 to 1517; in Rome from 1523-40; assisted in the defense
of the castle of St. Angelo during the siege and sacking of
Rome by the Constable De Bourbon in 1527; imprisoned in St.
Angelo in 1528, his account of his escape being the gem of
his "Autobiography"; in France at the court of Francis I in
1540-44; in Florence serving the Medici, 1544-71, and for
them produced the Perseus now standing in Florence; his
"Autobiography" not printed until 1730, altho well known
previously in manuscript form.