In the collection of works of the largest theorist and first disseminator of Marxism in Russia G.V. Plekhanov included a small part of his works, which allows us to judge the dynamics of Georgy Valentinovich’s creative thought. Starting as an opponent of populism, he spent his entire life exploring Marxism, seeking to transfer its conceptual ideas to Russian soil. IN AND. Lenin believed G.V. Plekhanov is the largest theoretician of Marxism, especially appreciating his merits in understanding the philosophy of the teachings of Marx - Engels. In modern conditions, the ideas of Marxism are largely experiencing a rebirth, becoming the tool that allows us to objectively understand the ongoing world processes. The publication is of interest to all those who study history world social thought, striving to find answers to contemporary pressing questions in the intellectual treasures of the past.