Mathematician:Luitzen Egbertus Jan Brouwer

1881 - 1966

Known to his friends as "Bertus".

Dutch mathematician working in topology, set theory, measure theory and complex analysis.

Founded the mathematical philosophy of intuitionism.

Nationality
Dutch

History

 * Born: February 27, 1881
 * Died: December 2, 1966

Theorems and Definitions

 * Brouwer's Fixed Point Theorem

Books and Papers

 * "On the significance of the principle of excluded middle in mathematics, especially in function theory." (1923)
 * "On the domains of definition of functions." (1927)
 * "Intuitionistic reflections on formalism." (1927)