MPs
- Hon. Michael Astor February 23, 1950 - October 25, 1951
- Mr Charles Doughty October 25, 1951 - June 18, 1970
- Mr William Clark June 18, 1970 - February 28, 1974
- Mr Geoffrey Howe February 28, 1974 - April 9, 1992
- Mr Peter Ainsworth April 9, 1992 - ?