| Peter Richard Legh, Baron Newton | April 1964 | October 1964 |
| Reginald Ernest Prentice | 20 October 1964 | 6 April 1966 |
| Edward Charles Redhead | 1965 | 1967 |
| Goronwy Owen Roberts | April 1966 | August 1967 |
| Shirley Vivian Teresa Brittain Williams | 29 August 1967 | 13 October 1969 |
| Gerald Teasdale Fowler | October 1969 | June 1970 |
| Norman Anthony Francis St John Stevas | December 1973 | March 1974 |
| Gerald Teasdale Fowler | February 1974 | October 1974 |
| Gerald Teasdale Fowler | January 1976 | September 1976 |
| Gordon James Oakes | September 1976 | May 1979 |
| Christopher Francis Patten | 1985 | 1986 |
| Dame Angela Claire Rosemary Rumbold | 1986 | 1990 |
| Timothy John Crommelin Eggar | 1990 | 11 April 1992 |