• Born date: 1887-09-13
  • Born in: Austria-Hungary
  • Death date: 1976-09-26
  • Death in: Switzerland
Leopold Ružička

Leopold Ružička ForMemRS (13 September 1887 – 26 September 1976) was a Croatian scientist and winner of the 1939 Nobel Prize in Chemistry who worked most of his life in Switzerland. He received eight honoris causa doctorates in science, medicine, and law; seven prizes and medals; and twenty-four honorary memberships in chemical, biochemical, and other scientific societies.