Quote of the day
If a man insisted always on being serious, and never allowed himself a bit of fun and relaxation, he would go mad or become unstable without knowing it.
Carl Ludwig Siegel
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Born: December 31, 1896
Died: April 4, 1981 (aged 84)
Bio: Carl Ludwig Siegel was a German mathematician specialising in number theory and celestial mechanics. He is known for, amongst other things, his contributions to the Thue Siegel Roth theorem in Diophantine approximation and the Siegel mass formula for quadratic forms.
Known for:
- Lectures on quadratic forms (1971)
- Topics in Complex Function Theory (1969)
- Symplectic Geometry (1943)
- Topics in Celestial Mechanics (1954)