Quote of the day
The people currently in charge have forgotten the first principle of an open society, namely that we may be wrong and that there has to be free discussion. That it's possible to be opposed to the policies without being unpatriotic.
Solomon Lefschetz
Born: September 3, 1884
Died: October 5, 1972 (aged 88)
Bio: Solomon Lefschetz was an American mathematician who did fundamental work on algebraic topology, its applications to algebraic geometry, and the theory of non-linear ordinary differential equations.
Known for:
- Introduction to Topology (1949)
- Differential equations (1957)
- Algebraic geometry (1953)
- Stability of nonlinear control systems (1965)
- Topics in Topology (1942)







