Adolf Otto Reinhold Windaus was a German chemist who won a Nobel Prize in Chemistry in 1928 for his work on sterols and their relation to vitamins. He was the doctoral advisor of Adolf Butenandt who also won a Nobel Prize in Chemistry in 1939. The Nobel Prize in Chemistry 1928, announced November 13, 1928. Adolf Windaus, “for the services rendered through his research into the constitution of the sterols and their connection with the vitamins”. Adolf Windaus: born 1876, Berlin, Germany. Wiki link Data: the Nobel Foundation (CC0).