Karl Marx is most closely associated with communism.
It is Communism.
Yes Karl Marx did want government involvement with the economy.
Karl Marx was founder of modern socialism and communism.
He created the base for communism known as Marxism. He died before the communist movement kicked off.
Marx was closely associated with the communist movement. His ideology was adopted by Russian dissidents such as Vladimir Lenin to convince the workers in Russia that they would be better off overthrowing the Tsarist regime and adopting a communist form of government. Marx had no direct role in the Russian Revolution because he had died before it took place.