The Declaration of the 46 is considered the founding document of the Left Opposition, which led the struggle by the Marxist and internationalist wing of the Russian Communist Party and the Communist International against the Stalinist betrayal of the October Revolution.
Konstantin Melnikov, Russian architect who is usually associated with Constructivism (a movement that combined an appreciation of technology with the use of modern industrial materials), though his unique vision had its foundations in classical forms and embraced the best of several contemporary movements.