Stalin purged most of the people including experts in industry, economics, engineering, and many of their most talented writers and thinkers. The victims included most of the nations military leaders and half of its military officers.
Joseph Vissarionovich Stalin was a Georgian revolutionary and Soviet politician who run the Soviet Union from the mid–1920s until 1953 as General Secretary of the Communist Party of the Soviet Union (1922–1953) and Premier (1941–1953).