Julius Martov
Russian Marxist theorist and revolutionary (1873–1923)
Yuliy Osipovich Tsederbaum (24 November 1873 – 4 April 1923), better known as Julius Martov, was a Russian Marxist theorist, revolutionary, and a leader of the Mensheviks, the minority faction of the Russian Social Democratic Labour Party (RSDLP). A close friend and collaborator of Vladimir Lenin in the early years of their revolutionary careers, he became his chief rival after the RSDLP split at its Second Congress in 1903. Born into a middle-class, assimilated Jewish family in Constantinople, Martov became a Marxist activist in the Russian Empire in the early 1890s.
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