1856 – 1918
Georgi Valentinovich Plekhanov (1856–1918) was a Russian revolutionary and philosopher widely regarded as the founder of Russian Marxism. He systematized dialectical materialism as a philosophical framework and applied it to history, aesthetics, and social theory. After breaking with Lenin over revolutionary strategy, he remained an influential voice in European socialist thought until his death.
Founded the Emancipation of Labor group (1883), the first Russian Marxist organization
Systematized dialectical and historical materialism in works such as 'The Development of the Monist View of History' (1895)
Pioneered Marxist aesthetics, arguing art reflects and is conditioned by material social relations
Introduced Marxist theory to Russian radical intelligentsia, directly shaping Lenin's early philosophical formation
Authored 'Fundamental Problems of Marxism' (1908), a foundational text of orthodox Marxist philosophy