Ngo Dinh Diem (1901-1963) was South Vietnam's first premier and president. Leader of South Vietnam after the 1954 partition, he initially provided inspiring leadership but later became dictatorial when pressed by the Vietcong assault against his government.

The son of a minister and councilor to a former Vietnamese emperor, Ngo Dinh Diem was born Jan. 3, 1901, near Hue. In the 17th century his ancestors had been converted to Catholicism by missionaries to their Buddhist homeland, subsequently suffering much persecution.

Graduating from the government's school of administration at Hue, Diem rose to be governor of Phan Thiet province at the age of 28. Four years later he was named minister of interior in Emperor Bao Dai's central administration of the protectorate of Annam at Hue. Diem soon resigned his post, however, because neither the French nor Bao Dai would support reforms he advocated. For 21 years, from 1933 to 1954, Diem played no role of...