Biography: Lev Davidovich Bronstein, better known as Leon Trotsky was a Russian revolutionary, politician, journalist and political theorist. He was a central figure in the establishment of Soviet Russia and the Soviet Union. Ideologically a Marxist, Trotsky's writings and thought inspired a major school of the ideology known as Trotskyism. Description above from the Wikipedia article Leon Trotsky, licensed under CC-BY-SA, full list of contributors on Wikipedia.