David Riazanov

David Riazanov or Ryazanov, born David Borisovich Goldendakh, 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.