The question asks to identify the founder of the Bolshevik Communist Party. The Bolsheviks were a faction of the Russian Social Democratic Labour Party that split from the Menshevik faction in 1904. They eventually became the Communist Party of the Soviet Union.
Vladimir Lenin is widely recognized as the founder and leader of the Bolshevik movement. He played a pivotal role in organizing the party and leading the October Revolution in 1917, which brought the Bolsheviks to power in Russia.
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Therefore, Vladimir Lenin was the founder of the Bolshevik Communist Party.