Gerhard Martin Julius Schmidt (21 August 1919 in Berlin – 12 July 1971, in Zurich, buried in Rehovot), was an organic chemist and chemical crystallographer, dean of the chemistry faculty of the Weizmann Institute of Science, and its scientific director in 1969. Schmidt was the founder of X-ray crystallography at the Weizmann Institute and in Israel – a field in which Weizmann Institute's Professor Ada Yonath was awarded the Nobel Prize in Chemistry for 2009.