Year/ Winner
- 1954 D.W. Dykes
- 1955 D.M. Metcalf
- 1956 I. Stewart
- 1959 D. Nugns and D.E. Hanson
- 1965 P. O'Shea
- 1966 C.M. Hake
- 1967 S. Leggett
- 1968 I.C. Thomson
- 1969 M.R. Curry
- 1970 H. Emary
- 1971 M.A. Guilding
- 1972 M.A.S. Blackburn and S. Cope
- 1974 G.C. Kump
- 1975 M. Flower and A.G. Wager
- 1976 K. Costello
- 1977 R. Macpherson
- 1978 M.B. Pearson
- 1979 R.B. Sampson
- 1982 M.J. Druck
- 1983 N. Summerton
- 1991 M. Rockman
- 1992 H.S. Kim
- 1993 E. Theran
- 1994 J. Orna-Ornstein
- 1997 S. Armstrong, T.C. Crafter and P. Kiernan
- 2000 E.L. Cheung
- 2002 P. Kiernan
- 2003 S. Skaltsa
- 2004 N. Elkins
- 2005 R. Naismith
- 2006 Di Hu