* 1946&ndash;1962 Ernest Basil Verney
* 1962&ndash;1971 Arnold Burgen
* 1973&ndash;1978 Gustav Victor Rudolf Born
* 1979&ndash;1999 Alan Cuthbert  
* 1999&ndash;2013 Peter Anthony McNaughton
* 2017&ndash;2022 John Michael Edwardson
* 2022&ndash;present Mark Howarth