General Secretary of the Communist Party of the Soviet Union more than determine party membership composition. Stalin, its first incumbent, used the principles of democratic centralism to transform his office into that of party leader, and later leader of the Soviet Union. In 1934, the 17th Party Congress refrained from formally re-electing Stalin as General Secretary. However, Stalin was re-elected into all other positions and remained leader of the party without diminishment. In the 1950s, Stalin increasingly withdrew from Secretariat business, leaving the supervision of the body to Georgy Malenkov, possibly to test him as a potential successor. In October 1952, at the 19th Party Congress, Stalin restructured the party's
Generalissimus of the Soviet Union created for Joseph Stalin. However, according to Stalin biographer Robert Service, Stalin regretted allowing himself the ostentatious military title, and asked Winston Churchill to continue to refer to him as a marshal instead. Stalin also rejected any kind of distinctions between his military rank and the other Soviet marshals, and kept using the original Marshal of the Soviet Union insignia and uniform like the other Soviet marshals. The matter about Generalissimus of the Soviet Union was mentioned again after the war, when a draft of a decree about the Soviet military ranks was presented to Stalin. Then, General Andrey Khrulyov