Paul Joseph Cohen (1934 - 2007)

* 2 April 1934, † 23 March 2007

Paul Joseph Cohen was born on 2 April 1934 in Long Branch, New Jersey, USA. Cohen used a technique called forcing to prove the independence in set theory of the axiom of choice and of the generalised continuum hypothesis. Paul Joseph Cohen died on 23 March 2007 in Palo Alto, California, USA.