Felix Hausdorff (1868 - 1942)

* 8 November 1868, † 26 January 1942

Felix Hausdorff was born on 8 November 1868 in Breslau, Germany (now Wrocław, Poland). Hausdorff worked in topology creating a theory of topological and metric spaces. He also worked in set theory and introduced the concept of a partially ordered set. Felix Hausdorff died on 26 January 1942 in Bonn, Germany.