Quote of the day
Faith, like a jackal, feeds among the tombs, and even from these dead doubts she gathers her most vital hope.
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)