Ward, Louis E. (Louis Ernest)
1929
Shrimpton, A. W. (Arnold Wilfred)
1930
Roberts, C. J. (Cyril John)
1940
Atkinson, Esmond H. (Esmond Hurworth)
1947
Kelly, Leslie G. (Leslie George)
1949
Eaddy, P. A. (Percy Allen)
1954
Scholefield, Guy H. (Guy Hardy)
1958