Mathematician:Bernhard Placidus Johann Nepomuk Bolzano

Bohemian mathematician, logician, theologian and philosopher.


 * Proved the Bolzano-Weierstrass Theorem, independently of (and earlier than) Karl Weierstrass.
 * Gave the first analytical proof of the Intermediate Value Theorem (which is also known as Bolzano's Theorem).

Nationality
Bohemian

History

 * Born: October 5, 1781
 * Died: December 18, 1848

Theorems and Definitions

 * Intermediate Value Theorem
 * Bolzano-Weierstrass Theorem

Books and Papers

 * "Wissenschaftslehre" (Theory of Science) (1837)
 * "Paradoxien des Unendlichen" (The Paradoxes of the Infinite) (1851, posthumous)