Alexandra Mikhailovna Kollontai (Russian: Алекса́ндра Миха́йловна Коллонта́й, née Domontovich, Домонто́вич; 31 March [O.S. 19 March] 1872 – 9 March 1952) was a Russian revolutionary, politician, diplomat and Marxist theoretician. Serving as the People's Commissar for Welfare in Vladimir Lenin's government in 1917–1918, she was a highly prominent woman within the Bolshevik party and the first woman in history to become an official member of a governing cabinet. (From: Wikipedia.org.)