Richard Knott Bolton 1857 – 1893
Tufnell Cowper Alliston Barrett 1889 – 1893
Llewellyn Charles Cutlack 1893 – 1938
Francis Stanley Fairclough 1938 – 1947
Ronald William Trevor Moore 1948 – 1972
Graham Arthur Friend 1997 – 1998
Nigel Victor Johnson 2000 – 2015