Who served as the leader of Soviet Union from 1924-1953.?

Joseph Stalin served as the leader of the Soviet Union from 1924 until his death in 1953. He rose to power following the death of Vladimir Lenin and became the General Secretary of the Communist Party, consolidating his control through extensive political purges and the establishment of a totalitarian regime. Under Stalin, the Soviet Union underwent significant industrialization and played a crucial role in World War II, but his leadership was also marked by widespread repression and human rights abuses.