Adolf_Windaus--Richard_Willstatter

Adolf Otto Reinhold Windaus (German pronunciation: [ˈaːdɔlf ˈvɪndaʊs] ; 25 December 1876 – 9 June 1959) 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.