Quote of the day
You're neither unnatural, nor abominable, nor mad; you're as much a part of what people call nature as anyone else; only you're unexplained as yet—you've not got your niche in creation.
Raymond Louis Wilder

Born: November 3, 1896
Died: July 7, 1982 (aged 85)
Bio: Raymond Louis Wilder was an American mathematician, who specialized in topology and gradually acquired philosophical and anthropological interests.
Known for:
- Topology of manifolds (1949)
- Evolution of mathematical concepts (1968)
- Mathematics as a cultural system (1981)