Security Service

Better known as MI5, the main British domestic intelligence service.

Directors General

• Major-General Sir Vernon Kell - 1909-1940
• Brigadier A.W.A. Harker - 1940-1941
• Sir David Petrie - 1941-1946
• Sir Percy Sillitoe - 1946-1953
• Sir Dick White - 1953-1956
• Sir Roger Hollis - 1956-1965
• Sir Martin Furnival Jones - 1965-1972
• Sir Michael Hanley - 1972-1978
• Sir Howard Smith - 1978-1981
• Sir John Jones - 1981-1985
• Sir Anthony Duff - 1985-1987
• Sir Patrick Walker - 1987-1992
• Dame Stella Rimington - 1992-1996
• Sir Stephen Lander - 1996-2002
• Dame Eliza Manningham-Buller - 2002-2007
• Jonathan Evans