The correct answer here would be Vladimir Lenin, leader of the Bolshevik Revolution that brought communism to power in Russia and established the Soviet Union. Lenin's "New Economic Policy" serves as an example of central planning to bring everything under the central government's control.
Karl Marx and Friedrich Engels were the philosophical founders of communist ideas back in the 19th century.
Josef Stalin was the totalitarian leader that took over the communist leadership in the USSR after Lenin's death.
Due to an increased population size, public health and housing became a big problem, underpaid jobs were common and they were mostly dangerous and surprisingly, it was hard to find jobs of any kind