Quote of the day
Some women can be fooled all of the time, and all women can be fooled some of the time, but the same woman can't be fooled by the same man in the same way more than half of the time.
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)