Erhard Schoen | Pi: Nude man with fishtails, 1527 | Retrospective conversion of The Illustrated Bartsch (Abaris Books) by ARTstor Inc. and authorized contractors
Happy Pi (∏)Day! Today is 3/14, the first three decimals of ∏ (3.14). To celebrate, here is a 16th-century woodcut of the Greek letter ∏ from The Illustrated Bartsch.