Quote of the day
Courage and perseverance have a magical talisman, before which difficulties disappear and obstacles vanish into air. These qualities have ever been displayed in their mightiest perfection, as attendants in the retinue of strong passions.
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)







