Philipp Apian

Philipp Apian (painting by Hans Ulrich Alt, 1590)
Philipp Apian (woodcut by Jochachim Lederlin, 1596)

Philipp Apian (14 September 1531 – 14 November 1589) was a German mathematician and medic. The son of Petrus Apianus (1495–1552), he is also known as the cartographer of Bavaria.