Dimitry V. Pospielovsky here outlines the theoretical and ideological foundations of Soviet atheism from Feuerbach and Marx to Khrushchev and Andropov, demonstrating that the Soviet intolerance towards any Faith in God is an inseparable part of the Marxist-Leninist doctrine and that the persecutions never cease, even during the current showcase tolerance of the top administrations for Soviet foreign policies in their public declarations.