Prime Minister

P. W. Botha 1978–1984 B. J. Vorster 1966–1978 Hendrik Verwoerd 1958–1966 J. G. Strijdom 1954–1958 D. F. Malan 1948–1954 Jan Smuts 1939–1948 J. B. M. Hertzog 1924–1939 Jan Smuts 1919–1924 Louis Botha 1910–1919