1964 - 67 - R.R. Butler, O.B.E.
1962 - 64 - Sir R. Dunbar, K.B.E., C.B.
1960 - 62 - W.A. Leitch, C.B.
1959 - 60 - L.B. Lagoe
1955 - 59 - Prof. H.G. Lamont, C.B.E.
1953 - 55 - E.A.F. Johnston, C.B.E.
1951 - 53 - J.F. Caldwell, Q.C., C.B.
1949 - 51 - R.S. Brownell, C.B.E.
1947 - 49 - W.H. Smyth, M.B.E.
1946 - 47 - J.A. McKeown, C.B.E.
1945 - 46 - H.V.V. Thompson, O.B.E.
1943 - 45 - E.S. Scales, C.B.E.
1939 - 43 - J. Taylor, O.B.E.
1938 - 39 - G.S. Robertson
1937 - 38 - J.I. Cook, C.B., O.B.E.
1935 - 37 - Capt. C.H. Petherick, C.B.E.
1934 - 35 - S. Sloan, O.B.E.
1933 - 34 - Brig. Gen. H.G. Young, C.I.E. D.S.O.
1932 - 33 - G.C. Duggan, C.B., O.B.E.
1931 - 32 - R.E. Thornley, C.B.
1928 - 31 - Lt. Col. Sir. W.B. Spender, K.C.B., C.B.E., D.S.O., M.C.
1925 - 28 - F.H. Kerr
1922 - 25 - Major G.A. Harris, C.B.E., D.S.O.