Mathematician:John Rolfe Isbell

Mathematician
American mathematician best known for his work in topology and category theory.

Also published under the pseudonyms, and.

Nationality
American

History

 * Born: October 27, 1930, Portland, Oregon
 * Died: August 6, 2005

Theorems and Definitions

 * Isbell Duality

Publications

 * 1964: Six theorems about injective metric spaces
 * August 1980: Median algebra