Quote of the day
The United States form a young republic, a confederacy which ought ever to be cemented by a union of interests and affection, under the influence of those principles which obtained their independence.
Stephen Smale

Born: July 15, 1930 (age 94)
Bio: Stephen Smale is an American mathematician from Flint, Michigan. His research concerns topology, dynamical systems and mathematical economics.
Known for:
- The Collected Papers of Stephen Smale (2000)
- Complexity and Real Computation (1998)
- The mathematics of time (1980)