Quote of the day
No written law has ever been more binding than unwritten custom supported by popular opinion.
Felix Klein
Born: April 25, 1849
Died: June 22, 1925 (aged 76)
Bio: Christian Felix Klein was a German mathematician and mathematics educator, known for his work in group theory, complex analysis, non-Euclidean geometry, and on the connections between geometry and group theory.
Known for:
- The Theory of the Top
- Famous problems of elementary geometry (1897)