This is a list of people associated with Bletchley Park, the principal centre of Allied code-breaking during the Second World War, notable either for their achievements there or elsewhere. Work at or for Bletchley Park is given first, followed by achievements elsewhere in parentheses. Sir Frank Ezra Adcock (Professor of Ancient History, Cambridge University) Alexander Aitken James Macrae Aitken, worked in Hut 6 (Scottish chess champion) Hugh Alexander, member of Hut 6 February 1940–March 1941, later head of Hut 8 (head of the cryptanalysis division at GCHQ; British Chess Champion 1938 and 1956) Maurice Allen, at the Wireless Experimental Centre, Delhi; an Oxford don. Stanley Armitage Pamela Ascherson, bombe operator, (artist) Michael Arbuthnot Ashcroft (codebreaker) Arthur Oliver Lonsdale Atkin (mathematician) John H. A. Atkins (translator of Japanese, later Head of Modern Languages at Nottingham Trent University) Joyce Aylard, bombe operator at Eastcote, reassigned to Bletchley Park after VE day Dennis Babbage, chief cryptanalyst in Hut 6 (mathematician) Sarah Baring, linguist in Hut 4 (socialite and memoirist) Jean Barker, Baroness Trumpington née Jean Alys Campbell-Harris J. W. B. Barns, worked in Hut 4, Hut 5 and Block A (Professor of Egyptology, Oxford University) Geoffrey Barraclough (Chichele Professor of Modern History, University of Oxford) Keith Batey Mavis Batey née Lever, cryptologist (garden and landscape historian, author, former President of the Garden History Society) Rodney Bax, an Intelligence Corps captain in the Fusion Room,Hut 3. Peter Benenson, worked in the "Testery" (founder of Amnesty International) Ralph Bennett, intelligence officer in Hut 3 (Professor of History at Magdalene College, Cambridge and president 1979-82) Osla Benning, linguist Hut 4 Francis (Frank) Birch, Head of German Naval Section Judith Irene Bloomfield (Worked in Bletchley Park Mansion and Hut 8. Berkely Street) T. S. R. Boase (art historian) Arthur Bonsall (Director of GCHQ) Ruth Bourne (née Henry), Bombe operator (in 2012 she was a volunteer guide at BP Edward Boyle, intelligence (Conservative politician) Captain A. R. Bradshaw, senior naval officer at BP and in overall charge of administration of BP Charles Brasch: Italian section, in Elmers School building and London. New Zealand poet. Hilary Brett or Brett-Smith, from Somerville College, Oxford, cryptologist, Hut 8 (Lady Hinsley) Lord Asa Briggs, member of the Watch in Hut 6 (historian) Jean Briggs Watters, English cryptanalyst Elsie Booker, Wren, in photo with Dorothy Du Boisson Christine Brooke-Rose, from Somerville College, Oxford Tommy Brown, 16-year-old NAAFI canteen assistant who was awarded the