Duke Adolf Friedrich of Mecklenburg-Schwerin

Duke Adolf Friedrich Albrecht Heinrich of Mecklenburg-Schwerin (German: Adolf Friedrich Albrecht Heinrich, Herzog zu Mecklenburg-Schwerin; 10 October 1873 – 5 August 1969), was a German explorer in Africa, a colonial politician, the elected duke of the United Baltic Duchy from 5 November to 28 November 1918, and the first president of the National Olympic Committee of West Germany (1949–1951).