Leon Trotsky in a Mexican prison for the murder. Stalin presented Mercader with an Order of Lenin in absentia. Trotsky's ideas formed the basis of Trotskyism, a major school of Marxist thought that opposes the theories of Stalinism. He was written out of the history books under Stalin, and was one of the few Soviet political figures who was not rehabilitated by the government under Nikita Khrushchev in the 1950s. Leon Trotsky was born Lev Davidovich Bronstein on 7 November 1879, the fifth child of a Ukrainian-Jewish family of wealthy farmers in Yanovka or Yanivka, in the Kherson governorate of the Russian
Lev Berg second child and though Polina sued, the Russian Orthodox Church granted custody to her Christian husband. Berg's mother helped raise the children, Simon (born 1911) and Raissa (born 1913). Berg married Maria Mikhailovna Ivanova, the daughter of a ship's commander, in 1923. Berg was honored for a lifetime of scientific achievement by the Imperial Russian Geographical Society and presented with the P.P. Semenov-Tian-Shansky Gold Medal. The Berg Mountains in Antarctica, Cape Berg in Severnaya Zemlya and Cape Berg in Zemlya Georga were named after him. Lev Berg Lev Semyonovich Berg (also known as Leo S. Berg) (; 14 March 1876,