Secretary general of the Communist Party 1953-64, premier 1958-64. He emerged as leader from the power struggle following Stalin's death and was the first official to denounce Stalin, in 1956. His de-Stalinization programme gave rise to revolts in Poland and Hungary 1956. Because of problems with the economy and foreign affairs (a breach with China 1960; conflict with the USA in the Cuban missile crisis 1962), he was ousted by Leonid Brezhnev and Alexei Kosygin. Born near Kursk, the son of a miner, Khrushchev fought in the post Revolutionary civil war 1917-20, and in World War II organized the guerrilla defence of his native Ukraine. He denounced Stalinism in a secret session of the party Feb 1956. Many victims of the purges of the 1930s were either released or posthumously rehabilitated, but when Hungary revolted in Oct against Soviet domination, there was immediate Soviet intervention. In 1958 Khrushchev succeeded Bulganin as chair of the council of ministers (prime minister). His policy of competition with capitalism was successful in the space programme, which launched the world's first satellite ( Sputnik). Because of the Cuban crisis and the personal feud with Mao Zedong that led to the Sino-Soviet split, he was compelled to resign 1964, although by 1965 his reputation was to some extent officially restored. In April 1989 his Feb 1956 "secret speech" against Stalin was officially published for the first time.