Richard Johann Kuhn was an Austrian-German biochemist who was awarded the Nobel Prize in Chemistry in 1938 "for his work on carotenoids and vitamins". The Nobel Prize in Chemistry 1938, announced November 9, 1939. Richard Kuhn, “for his work on carotenoids and vitamins”. Richard Kuhn: born 1900, Vienna, Austria-Hungary (now Austria). Wiki link Data: the Nobel Foundation (CC0).