| Rt Hon Dr Christopher Addison | June 1930 | October 1931 |
| Rt Hon Derick Heathcoat Amory | 1954 | January 1958 |
| Harmar Nicholls | 1955 | 1958 |
| Rt Hon Arthur Christopher John Soames | 1960 | 1964 |
| Thomas Frederick Peart | 16 October 1964 | April 1968 |
| Rt Hon Cledwyn Hughes | April 1968 | June 1970 |
| Rt Hon Joseph Bradshaw Godber | 1972 | March 1974 |
| Rt Hon Thomas Frederick Peart | 1974 | 1976 |
| Rt Hon John Ernest Silkin | September 1976 | May 1979 |
| Jean Alys Barker, Baroness Trumpington | 1989 | 14 April 1992 |
| David Maurice Curry | 14 April 1992 | 27 May 1993 |
| Timothy Eric Boswell | 7 July 1995 | 2 May 1997 |
| Charles George Eustice | 25 July 2019 | 13 February 2020 |