The fringes of power
"Sir John Rupert "Jock" Colville, CB, CVO (28 January 1915 ? 19 November 1987), was a British civil servant. He is best known for his diaries, which provide an intimate view of number 10 Downing Street during the wartime Prime Ministership of Winston Churchill....Colville was Assistant Private Secretary to three Prime Ministers: Neville Chamberlain, 1939?40, Winston Churchill, 1940?41 and 1943?45, (and Joint Principal Private Secretary, 1951?55), Clement Attlee, 1945."--Wikipedia.