| Samuel Philip Viant | ||
| Sir Henry Norman | January 1910 | |
| Sir Ernest Nathaniel Bennett | October 1932 | December 1935 |
| Charles Waterhouse | 1939 | 1941 |
| Allan Chapman | March 1941 | March 1942 |
| William John St Clair Anstruther-Gray | May 1945 | July 1945 |
| Charles Rider Hobson, Baron Hobson | 1947 | 1947 |
| Leonard David Gammans | 1951 | 1955 |
| Dame Irene Mervyn Parnicott Pike | 1959 | 1963 |
| Raymond Llewellyn Mawby | March 1963 | October 1964 |