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 Davidovich Belkind knowledgeable in additional languages, Prof. Belkind was a prominent researcher and collector of materials on the history of science and technology, both Russian and International. He was considered an authority in the field of scientific history, being an author of unique biographical research work of a number of influential figures in the Russian science. In recognition of his scientific achievements and contribution he was awarded the "Honored Scientist and Technologist" title (). by the Soviet Academy of Sciences. Lev Davidovich Belkind Prof. Lev Davidovich Belkind (; (August 27, 1896, Myrhorod – November 16, 1969) was a Soviet scientist, engineer and