Giacomo Casanova

UNSPECIFIED - CIRCA 2003: Portrait of Giacomo Casanova (Venice, 1725-Duchcov, 1798), Italian adventurer, writer, alchemist, philosopher, and secret agent. Engraving. (Photo by DeAgostini/Getty Images)

Casanova led a life so full of sex and adventure that today we call any particularly charismatic and successful lover by his name. But he was also. smart and witty, traveled and wrote extensively, and had a hand in all kinds of aristocratic intrigue.

ITALY - NOVEMBER 19: Giacomo Casanova's bedroom, with bed in carved, painted and gilded soft wood, 18th century Piedmontese school. Morando Bolognini Castle, Sant'Angelo Lodigiano. Italy, 18th century. (Photo by DeAgostini/Getty Images)