Sir Anthony Francis Seldon is known in part for his biography of a British politician who identifies as what?
Anthony Seldon Sir Anthony Francis Seldon, {'1': ", '2': ", '3': ", '4': "} (born 2 August 1953), is Vice-Chancellor of the University of Buckingham, a contemporary historian, commentator and political author, known in part for his biographies of Margaret Thatcher, John Major, Tony Blair, Gordon Brown and David Cameron. He was the 13th Master (headmaster) of Wellington College, one of Britain's co-educational independent boarding schools. In 2009, he set up The Wellington Academy, the first state school to carry the name of its founding independent school.
Keith Joseph Keith Sinjohn Joseph, Baron Joseph, (17 January 1918 – 10 December 1994), known as Sir Keith Joseph, 2nd Baronet, for most of his political life, was a British barrister and politician. A member of the Conservative Party, he served in the Cabinet under four prime ministers: Harold Macmillan, Sir Alec Douglas-Home, Edward Heath and Margaret Thatcher. He was a key influence in the creation of what came to be known as "Thatcherism" and the subsequent decline of one-nation conservatism and the postwar consensus.