The article is devoted to the controversy of Alexander Alexandrovich Bogdanov, the so-called “another Bolshevik”, with Lenin and his associates on the question of the revolution and the ways of building a socialist society and state. It is shown that Bogdanov expressed a critical attitude towards the revolution and its socialist nature, the ability of the proletariat to play a decisive role in it, and wrote about Russia’s unpreparedness for an anti-capitalist coup, thereby expressing a distinctly marked anti-Leninist position. Based (...) on the analysis of a large corpus of Bogdanov’s works, the authors focused their attention on the following aspects of his work relating to the theme of revolution: the contradictions between Bogdanov and Lenin in its interpretation even before October 1917; Bogdanov’s views on the revolution and real socialism after its completion; his interpretation and evaluation of “war communism”; the program for building socialism in the USSR and the search for ways to form fundamentally new social structures developed in the context of the science of tectology, created by him; Bogdanov’s project “Proletkult” and his utopian novels, in which he foresaw how “socialism in one country” would be built and how the transition from the old exploitative to new forms of human coexistence would be carried out, as well as the danger of the degeneration of democracy into a dictatorship. (shrink)