Richard Austen Butler, Baron Butler of Saffron Walden, KG, CH, PC, DL (9 December, 1902 - 8 March, 1982), who invariably signed his name R. A. Butler and was familiarly known as Rab, was a British Conservative politician. Butler was one of the few British politicians to have served in the three posts of Chancellor of the Exchequer, Home Secretary and Foreign Secretary, … Wikipedia
The definitive Wikipedia entry for Rab Butler. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Rab_Butler