1960 H. Graham
1973 M.T. Sharp
1975 C. Alexander
1975 R.A. Crain
1975 D.C.Hall
1975 H.R. Sheridan
1977 T.G. Fuller
1978 F.G. Bowie
1980 A.B. Doran
1980 D.W.Baldock
1981 J.F. Dooher
1982 L.Caletti
1991 A. Durie
1991 W. P. Becker
1995 S.D.C. Chutter
2011 R. Raymond
2011 R. Zeidler
