Quote of the day
Summer afternoon — summer afternoon; to me those have always been the two most beautiful words in the English language.
Carl Ludwig Siegel

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)






