- 92. Chris Stewart (Current)
91. Case Rijsdijk (2017 – 2019)
90. Dr. Pierre De Villiers (2015 – 2017)
89. Dr. Matie J H Hoffman (2013 – 2015)
88. Dr. Ian S Glass (2011 – 2013)
87. Michael Poll (2009 – 2011)
86. Dr. Peter Martinez (2008 – 2009)
85. Magda Streicher (2007 – 2008)
84. Dr. Clifton Laney (2006 – 2007)
83. Pat J Booth (2004 – 2006)
82. Case Rijsdijk (2003 – 2004)
81. Tim P Cooper (2002 – 2003)
80. D M Kilkenny (2001 – 2002)
79. P I van Blommestein (2000 – 2001)
78. Derck Smits (1999 – 2000)
77. Daniel M Overbeek (1998 – 1999)
76. Robert S Stobie (1997 – 1998)
75. Anthony (Tony) Hilton (1996 – 1997)
74. B C Raubenheimer (1995 – 1996)
73. Brian D Fraser (1994 – 1995)
72. Prof. Walter F Wargau (1993 – 1994)
71. Maciej G Soltynski (1992 – 1993)
70. Tom Lloyd Evans (1991 – 1992) (obituary)
69. José da S. Campos (1990 – 1991)
68. Dr. Ian S Glass (1989 – 1990)
67. Peter G Cramb (1988 – 1989)
66. Sir Harold Spencer Jones (1987 – 1988)
65. Clifford R G Turk (1986 – 1987)
64. G D Nicolson (1985 – 1986)
63. J S Bondietti (1984 – 1985)
62. Anthony (Tony) P Fairall (1983 – 1984)
61. J V Vincent (1982 – 1983)
60. E E Baart (1981 – 1982)
59. Michael A Gray (1980 – 1981)
58. Michael William Feast (1979 – 1980)
57. Rupert F Hurly (1978 – 1979)
56. Emeritus Prof. Brian Warner (1977 – 1978)
55. S S Booysen (1976 – 1977)
54. Peter Anthony Thornton Wild (1975 – 1976)
53. Christos Papadopoulos (1974 – 1975)
52. Graham? A Harding (1973 – 1974)
51. Karel? H Sterling (1972 – 1973)
50. Alistair H Jarrett (1971 – 1972)
49. William C Bentley (1970 – 1971)
48. Joseph Churms (1969 – 1970)
47. Jack C Bennett (1968 – 1969)
46. Jan Hers (1967 – 1968)
45. G R Atkins (1966 – 1967)
44. A Menzies (1965 – 1966)
43. Hendrik Cornelis Lagerwey (1964 – 1965)
42. Arthur G F Morrisby (1963 – 1964)
41. Adriaan Jan Wesselink (1962 – 1963)
40. Daniel M Overbeek (1961 – 1962)
39. Gabriel Gideon Cillie (1960 – 1961)
38. P Smits (1959 – 1960)
37. Prof. Hans Haffner (1958 – 1959)
36. Michael William Feast (1957 – 1958)
35. S C Venter (1956 – 1957)
34. Dr. Willem Hendrik van den Bos (1955 – 1956)
33. Dr. P Kirchhoff (1954 – 1955)
32. David Stanley Evans (1953 – 1954)
31. J C Bentley (1952 – 1953)
30. Andrew David Thackeray (1951 – 1952)
29. Harold E Krumm (1950 – 1951)
28. William Stephen Finsen (1949 – 1950)
27. Prof. Arthur Edward Herbert Bleksley (1948 – 1949)
26. Dr. John Jackson (1947 – 1948)
25. William Parkinson Hirst (1946 – 1947)
24. Richard Hugh Stoy (1945 – 1946)
23. Andre William James Cousins (1944 – 1945)
22. Dr. Willem Hendrik van den Bos (1943 – 1944)
21. Alexander Forbes Irvine Forbes (1942 – 1943)
20. Harold Knox Shaw (1941 – 1942)
19. E B Ford (1940 – 1941)
18. Richard Alfred Rossiter (1939 – 1940)
17. T Mackenzie (1938 – 1939)
16. John Stefanos Paraskevopoulos (1937 – 1938)
15. H E Houghton (1936 – 1937)
14. Dr. John Jackson (1935 – 1936)
13. Jacob K E Halm (1934 – 1935)
12. Donald G McIntyre (1933 – 1934)
11. Sir Harold Spencer Jones (1932 – 1933)
10. Harold L Alden (1931 – 1932)
9. Captain Donald Cameron-Swan (1930 – 1931)
8. Harry E Wood (1929 – 1930)
7. Arthur William Long (1928 – 1929)
6. Alexander W Roberts (1927 – 1928)
5. Sir Harold Spencer Jones (1926 – 1927)
4. William Reid (1925 – 1926)
3. Dr. Jakob K E Halm (1924 – 1925)
2. Robert T A Innes (1923 – 1924)
1. Sydney S Hough (1922 – 1923)
