People
- Mr Peter Thorneycroft 1964 - 1964
- Mr Denis Healey 1964 - 1970
- Mr Roy Mason 1974 - 1976
- Mr John Nott 1979 - 1983
- Mr Michael Heseltine 1983 - 1986
- Mr George Younger 1986 - 1989
- Mr Tom King 1989 - 1992
- Mr Malcolm Rifkind 1992 - 1995
- Mr George Robertson 1997 - 1999
- Mr Geoff Hoon 1999 - ?