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David Riazanov

David Riazanov () or Ryazanov, born David Borisovich Goldendakh (; 10 March 1870 – 21 January 1938), was a Russian revolutionary, historian, bibliographer, marxologist and archivist. He had been an old associate of Leon Trotsky. Riazanov founded the Marx–Engels Institute and edited the first large-scale effort to publish the collected works of these two founders of the modern socialist movement. Riazanov was a prominent victim of the Great Terror of the late 1930s. Provided by Wikipedia