Quote of the day
A great deal of talent is lost to the world for the want of a little courage. Every day sends to their graves a number of obscure men who have only remained obscure because their timidity has prevented them from making a first effort.
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)






