Quote of the day
The thing that impresses me most about America is the way parents obey their children.
Robin Hartshorne

Born: March 15, 1938 (age 87)
Bio: Robin Cope Hartshorne is an American mathematician. Hartshorne is an algebraic geometer who studied with Zariski, Mumford, J.-P. Serre and Grothendieck.
Known for:
- Geometry: Euclid and Beyond (2000)
- Algebraic Geometry (1977)
- Foundations of projective geometry (1967)
- Deformation Theory (2009)
- Ample subvarieties of algebraic varieties (1970)