Maurice Harold Macmillan | May 1940 | February 1942 |
Arthur Woodburn | April 1946 | October 1947 |
Toby Austin Richard Low | 1951 | 1954 |
Robert Michael Maitland Stewart | May 1951 | October 1951 |
Frederick James Erroll | 1955 | 1956 |
Ian Douglas Harvey | 1956 | 1958 |
Rt Hon Aubrey Jones | 1957 | 1959 |