1922- . Tanzanian socialist politician, president 1964-85. Originally a teacher, he devoted himself from 1954 to the formation of the Tanganyika African National Union and subsequent campaigning for independence. He became chief minister 1960, was prime minister of Tanganyika 1961-62, president of the newly formed Tanganyika Republic 1962-64, first president of Tanzania 1964-85, and head of the Organization of African Unity 1984.