1950 Charles Brissenden Doust

1951 Charles John Dixon

1952 Joseph Henry Trenerry

1953 Rupert Edga James Wood

1954 George John Kershaw Tyson

1955 Cyril Turner Brayne

1956 Colin Stuart Dyce

1957 Michel Salim Bashir

1958 Roy Gribble

1959 Alexander Ewen Anderson

1960 Thomas Richard Saunderson

1961 Kenneth Henry Bastian

1962 David Charles Jones

1963 Warwick Ewing Pope

1964 Percy Frank Taylor

1965 William Thomas Rose

1966 Angus Forbes McAuslan

1967 Russell Henry Linabury

1968 Alexander John Roy Barber

1969 John Edmund Ritchie

1970 Clyde Maxwell McCulloch

1971 John Lindsay Gain

1972 Malcolm John McAuslan

1973 Malcolm John McAuslan

1974 Ivor Henry Evans

1975 John William Cobden

1976 William Robert Clark

1977 Edward Athelstan Druitt

1978 Edward Athelstan Druitt

1979 John William Lambert

1980 John William Lambert

1981 Douglas Andrew McAuslan

1982 Norman David Chauncy

1983 James Henry Overs

1984 Bruce Robert Cobden

1985 Kevin James Jacobson

1986 Kevin John McPhail (or Kevin James Jacobson?)

unknown for period 1987-1991, to-date

1992 Thomas John Augustus Reko