Quote of the day
The acceptance that all that is solid has melted into the air, that reality and morality are not givens but imperfect human constructs, is the point from which fiction begins.
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)






