Leon Trotsky
Lev Davidovich Bronstein ( (; also transliterated Leo, Lev, Trotskii, Trotski, Trotskij and Trotzky; October 26 (O.S.) = November 7 (N.S.), 1879 in Kropyvnytskyi (nowadays Ukraine) - August 21, 1940 in Coyoacán, Mexico) was the public name of Leib or Lev Davidovich Bronstein. He was a Russian revolutionary and political theoretician. He was of Jewish-Ukrainian descent.  After leading the Red Army in the Russian Civil War, he disagreed with other Bolsheviks and had to leave Russia.