The men of Renaissance Florence were so renowned for sodomy that "Florenzer" in German meant "sodomite." Indeed, in the late fifteenth century, as many as one in two Florentine men had come to the attention of the authorities for sodomy by the time they were thirty. In the seventy years from 1432 to 1502, some 17,000 men--in a city of only 40,000--were investigated for sodomy; 3,000 were convicted and thousands more confessed to gain amnesty. Michael...