Deprived of his father’s love at a young age, Stalin developed a distinctly rebellious character, a daring spirit of adventure, and a willingness to fight—key factors in his subsequent development as a staunch Marxist and Lenin’s successor. His personality enabled him to make tremendous historical contributions to Soviet governance, the Communist Party, and the military, leaving behind both glory and retribution. He was a historical giant, both charismatic and discerning.