Answer:
Explanation:
Joseph Stalin (1878–1953) 21 January 1924 ↓ 5 March 1953†
Georgy Malenkov (1902–1988) 5 March 1953 ↓ 14 September 1953
Nikita Khrushchev (1894–1971) 14 September 1953 ↓ 14 October 1964
Leonid Brezhnev (1906–1982) 14 October 1964 ↓ 10 November 1982†
