Paul Samuilovich Urysohn (Па́вел Самуи́лович Урысо́н) (February 3, 1898 - August 17, 1924) was a Russian mathematician who is best known for his contributions in the theory of dimension, for developing Urysohn's Metrization Theorem and Urysohn's Lemma, both of which are fundamental results in topology. His name is also commemorated in the term Menger-Urysohn dimension .

Urysohn studied in University of Moscow from 1915 to 1921 and worked there as an assistant professor from 1921 to 1924, when he drowned while swimming off the coast of Brittany, France.

External link

• MacTutor biography of Urysohn