Joseph Stalin.

Joseph Stalin was a Russian political leader, who was the undisputed leader of the U.S.S.R. from 1929 and until his death. Born Isoif Vissarionovich Dzhugashvili, he adopted the pseudonym Stalin, which means, "Man of Steel", while still a young revolutionary. Stalin institutionalised terror and was responsible for the death and deprivation of millions of people. There's no doubt that Stalin was a ruthless megalomaniac however, he also transformed the U.S.S.R. …

…and therefore forced upon children which had raised the level of literacy in the country to 85%. Stalin also made unemployment unknown by forcing everyone to work even though it was under appalling conditions. In conclusion Stalin was a ruthless megalomaniac, he was ruled by terror and responsible for the deaths of millions of people however he more than any other individual moulded the features that characterized the Soviet regime while bringing numerous affluences to Russia.