Klaus Patau (30 September 1908 – 30 November 1975; born Klaus Pätau; ) was a German-born American geneticist. He received his PhD from the University of Berlin in 1936, worked from 1938 to 1939 in London, and then returned to Germany, where he worked at the Kaiser Wilhelm Institute for Biology until 1947. He emigrated to the United States in 1948 and obtained American citizenship.
Klaus Patau (born Klaus Pätau), a German-born geneticist who later became an American citizen, obtained his PhD from the University of Berlin in 1936 and worked at the Kaiser Wilhelm Institute for Biology until 1947. He emigrated to the United States in 1948.