Karl Kautsky (1854 ? 1938) ? German economist, historian and publicist. Classical Marxist theorist, editor of the fourth volume of Capital? K. Marks . In the years leading up to World War I (1914-18), Kautsky increasingly drifted away from the revolutionary workers’ movement, pursuing a line of reconciliation with the revisionists, supporting the liquidators in Russian Social-Democracy, denying the partisanship of Marxist philosophy, and so on. d. Kautsky became the ideologist of centrism, combining the verbal recognition of Marxism with adaptation to opportunist elements. With the outbreak of the war, he finally broke with revolutionary Marxism, justified the alliance with open social-chauvinists. He was known in the USSR, mainly by the title of one of the works of B.. and . Lenin's "Proletarian Revolution and the Renegade Kautsky"A book from the fund of the Jerusalem City Russian Library .