Past presidents of the S2A3:
1903 Sir David Gill - Cape Town
1904 Sir Charles Metcalfe - Johannesburg
1905 Theodore Reunert - Johannesburg
1906 Gardner F Williams - Kimberley
1907 Dr James Hyslop - Durban
1908 H E the Hon. Sir Walter Hely-Hutchinson - Grahamstown
1909 H E Sir Hamilton Goold-Adams - Bloemfontein
1910 Dr Thomas Muir - Cape Town
1911 Prof P D Hahn - Bulawayo
1912 Sir Arnold Theiler - Port Elizabeth
1913 Dr A W Roberts - Lourenco Marques
1914 Professor Rudolph Marloth - Kimberley
1915 Dr R T A Innes - Pretoria
1916 Professor L Crawford - Pietermaritzburg
1917 Professor John Orr - Stellenbosch
1918 Dr C F Juritz - Johannesburg
1919 Rev W Flint - King Williamstown
1920 Dr I B Pole-Evans - Bulawayo
1921 Prof J E Duerden - Durban
1922 Dr A W Rogers - Lourenco Marques
1923 Professor J D F Gilchrist - Bloemfontein
1924 Professor J A Wilkinson - Cape Town
1925 General the Rt Hon J C Smuts - Oudtshoorn
1926 Dr E T Mellor - Pretoria
1927 Professor Harold B Fantham - Salisbury
1928 Sir Carruthers Beattie - Kimberley
1929 Hon J H Hofmeyr - South Africa [Cape Town and Johannesburg]
1930 H E Wood - Caledon
1931 Professor J W Bews - Grahamstown
1932 Professor P J du Toit - Durban
1933 Dr Robert Broom - Barberton
1934 Dr A L du Toit - Port Elizabeth
1935 Dr M M Rindl - Paarl
1936 H E the Rt Hon the Earl of Clarendon - Johannesburg
1937 Lt.-Col C Graham-Botha - Windhoek
1938 Professor L F Maingard - Pietermaritzburg
1939 Professor G H Stanley - East London
1940 Professor C G S de Villiers - Johannesburg
1941 James Gray - Johannesburg
1942 Dr E P Phillips - Johannesburg
1943 Dr A Pijper - Johannesburg
1944 Col J G Rose - Johannesburg
1945 E C Chubb - Johannesburg
1946 Dr the Hon F E T Krause - Pretoria
1947 Professor H H Paine - Oudtshoorn
1948 Dr S H Skaife - Lourenco Marques
1949 Dr Gilles de Kock - Kimberley
1950 Professor C van Riet Lowe - Salisbury
1951 Professor E G Malherbe - Durban
1952 Dr B F J Schonland - Cape Town
1953 Professor Raymond A Dart - Bulawayo
1954 Professor P R Kirby - Bloemfontein
1955 Dr T B Davie - Grahamstown
1956 Dr S Meiring-Naude - Nelspruit
1957 Professor R H Compton - Pretoria
1958 Professor A E H Bleksley - Lourenco Marques
1959 Dr R Elsdon-Dew - Pietermaritzburg
1960 Dr Bernard Smit - Johannesburg
1961 Dr R A Dyer - Port Elizabeth
1962 Dr J P Duminy - Cape Town
1963 Dr Simon Biesheuwel - Durban
1964 Professor Govert C van Drimmelen
1965 Dr R H Marloth - East London
1966 Dr A C Hoffman - Stellenbosch
1967 Professor C A du Toit
1968 Mr J L Lintner - Lourenco Marques
1969 Professor J F V Phillips - Pietermaritzburg
1970 Professor I D Macrone - Cape Town
1971 Professor A W Bayer - Durban
Professor J P F Sellschop - Executive
1972 Dr G R Bozzoli - Johannesburg
Professor J P F Sellschop - Executive
1973 Professor S H Haughton - Pretoria
Mr D F Retief - Executive
1974 Dr J M Hyslop - Grahamstown
Mr D F Retief - Executive
1975/76 Professor O Wipplinger - Stellenbosch [AGM] and Nelspruit
1977/78 Mr L S Richfield - Potchefstroom [AGM] and Stellenbosch
1979/80 Professor D M Joubert - Pretoria [AGM] and Pretoria
1981/82 Mr D G Kingwill - Pretoria [AGM] and Pretoria
1983/84 R D Griesel
1985/86 Dr G K Nelson
1987 Brig G N Robertson
1988/89/90 Professor Eric Holm
1990/91 Professor Paul Smit
1991- May1996 Professor Johann Wolfaardt
May 1996/2012 Dr Ian Raper