This is a list of people associated with

Bletchley Park Bletchley Park is an English country house and estate in Bletchley, Milton Keynes ( Buckinghamshire) that became the principal centre of Allied code-breaking during the Second World War. The mansion was constructed during the years following ...

, the principal centre of

Allied An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...

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 Sir Frank Ezra Adcock, (15 April 1886 – 22 February 1968) was a British classical historian who was Professor of Ancient History at the University of Cambridge between 1925 and 1951. In addition to his academic work, he also served as a c ...

(

Professor of Ancient History, Cambridge University The Professorship of Ancient History at the University of Cambridge was established on 27 October 1898. The chair is based in the Faculty of Classics. The original electors were the Vice-Chancellor and eight persons elected by the Senate, two being ...

) *

Alexander Aitken Alexander Craig "Alec" Aitken (1 April 1895 – 3 November 1967) was one of New Zealand's most eminent mathematicians. In a 1935 paper he introduced the concept of generalized least squares, along with now standard vector/matrix notation fo ...

James Macrae Aitken James Macrae Aitken (27 October 1908 – 3 December 1983) was a Scottish chess player. Aitken was born in Calderbank, Lanarkshire, Scotland. In 1938 he received a PhD from Edinburgh University on the topic of 'The Trial of George Buchanan Befor ...

, worked in

Hut 6 Hut 6 was a wartime section of the Government Code and Cypher School (GC&CS) at Bletchley Park, Buckinghamshire, Britain, tasked with the solution of German Army and Air Force Enigma machine cyphers. Hut 8, by contrast, attacked Naval Enigma. ...

(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 The Wireless Experimental Centre (WEC) was one of two overseas outposts of Station X, Bletchley Park, the British signals analysis centre during World War II. The other outpost was the Far East Combined Bureau. Codebreakers Wilfred Noyce and Mauric ...

, Delhi; an Oxford don. * Stanley Armitage * Pamela Ascherson,

bombe The bombe () was an electro-mechanical device used by British cryptologists to help decipher German Enigma-machine-encrypted secret messages during World War II. The US Navy and US Army later produced their own machines to the same functiona ...

operator, (artist) *

Michael Arbuthnot Ashcroft Michael Arbuthnot Ashcroft (1920–1949) was a code breaker at Bletchley Park during the Second World War, working in Hut 8 under Alan Turing. Early life Ashcroft was born in 1920 to parents of German descent. He was the fourth child of Frederick N ...

(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 Victory in Europe Day is the day celebrating the formal acceptance by the Allies of World War II of Germany's unconditional surrender of its armed forces on Tuesday, 8 May 1945, marking the official end of World War II in Europe in the Easter ...

Dennis Babbage Dennis William Babbage (26 April 1909 – 9 June 1991) was an English mathematician associated with Magdalene College, Cambridge, and with codebreaking at Bletchley Park during World War II. In 1980 Babbage was President of Magdalene College, Cam ...

, chief cryptanalyst in

(mathematician) *

Sarah Baring Sarah Kathleen Elinor Baring (''née'' Norton; 20 January 1920 – 4 February 2013) was an English socialite and memoirist, who worked for three years as a linguist at Bletchley Park, the principal centre of Allied code-breaking during the Secon ...

, linguist in Hut 4 (socialite and memoirist) *

Jean Barker, Baroness Trumpington Jean Alys Barker, Baroness Trumpington, (23 October 192226 November 2018) was a British Conservative politician and life peer. In the 1960s and 1970s she served in local government in Cambridgeshire. In 1980 she was created a life peer after w ...

née Jean Alys Campbell-Harris *

J. W. B. Barns John Wintour Baldwin Barns (12 May 1912 – 23 February 1974) was a British Egyptologist, papyrologist, Anglican priest, and academic. From 1965 to 1974, he was Professor of Egyptology at the University of Oxford. Early life and education Barn ...

, worked in Hut 4, Hut 5 and Block A (Professor of Egyptology, Oxford University) *

Geoffrey Barraclough Geoffrey Barraclough (10 May 1908, Bradford – 26 December 1984, Burford) was an English historian, known as a medievalist and historian of Germany. He was educated at Bootham School (1921–1924) in York and at Bradford Grammar School (192 ...

(

Chichele Professor of Modern History The Chichele Professorships are statutory professorships at the University of Oxford named in honour of Henry Chichele (also spelt Chicheley or Checheley, although the spelling of the academic position is consistently "Chichele"), an Archbishop of ...

University of Oxford , mottoeng = The Lord is my light , established = , endowment = £6.1 billion (including colleges) (2019) , budget = £2.145 billion (2019–20) , chancellor ...

) *

Keith Batey Keith Batey (4 July 1919 – 28 August 2010) was a codebreaker who, with his wife, Mavis Batey (5 May 1921 – 12 November 2013), worked on the German Enigma machine at Bletchley Park during World War II. Education Keith Batey was at Carlisle Gr ...

Mavis Batey Mavis Lilian Batey, MBE (née Lever; 5 May 1921 – 12 November 2013), was a British code-breaker during World War II. She was one of the leading female codebreakers at Bletchley Park. She later became a historian of gardening who campaign ...

née Lever, cryptologist (garden and landscape historian, author, former President of the

Garden History Society The Garden History Society was an organisation in the United Kingdom established to study the history of gardening and to protect historic gardens. In 2015 it became The Gardens Trust, having merged with the Association of Gardens Trusts. It was f ...

) * Rodney Bax, an Intelligence Corps captain in the Fusion Room,

Hut 3 Hut 3 was a section of the Government Code and Cypher School (GC&CS) at Bletchley Park during World War II. It retained the name for its functions when it moved into Block D. It produced military intelligence codenamed ULTRA from the decrypts o ...

. *

Peter Benenson Peter Benenson (born Peter James Henry Solomon; 31 July 1921 – 25 February 2005) was a British barrister, human rights activist and the founder of the human rights group Amnesty International (AI). He refused all honours for most of his life, ...

, worked in the "

Testery The Testery was a section at Bletchley Park, the British codebreaking station during World War II. It was set up in July 1942 as the "FISH Subsection" under Major Ralph Tester, hence its alternative name. Four founder members were Tester himself a ...

" (founder of

Amnesty International Amnesty International (also referred to as Amnesty or AI) is an international non-governmental organization focused on human rights, with its headquarters in the United Kingdom. The organization says it has more than ten million members and sup ...

) * Ralph Bennett, intelligence officer in Hut 3 (Professor of History at

Magdalene College, Cambridge Magdalene College ( ) is a constituent college of the University of Cambridge. The college was founded in 1428 as a Benedictine hostel, in time coming to be known as Buckingham College, before being refounded in 1542 as the College of St Mary ...

and president 1979-82) *

Osla Benning Margaret Osla Henniker-Major, Lady Henniker-Major (''née'' Benning; 23 August 1921 – 29 October 1974) was a Canadian debutante, who worked at Bletchley Park, was Prince Philip's first girlfriend, and later married John Henniker-Major (later ...

, 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 Thomas Sherrer Ross Boase (31 August 1898 – 14 April 1974) was a British art historian, university teacher, and Vice-Chancellor of the University of Oxford, Vice-Chancellor of Oxford University. Early life and education Thomas Boase was born ...

(art historian) *

Arthur Bonsall Sir Arthur Wilfred "Bill" Bonsall (25 June 1917 – 26 November 2014) was director of the British signals intelligence agency, GCHQ—a post he held from 1973 to 1978. Early life Bonsall was born in Middlesbrough on 25 June 1917, the eldest ...

(Director of GCHQ) * Ruth Bourne (née Henry), Bombe operator (in 2012 she was a volunteer guide at BPHollingshead, Iain (4 September 2012))
What happened to the women of Bletchley Park?
The Telegraph, Retrieved 28 July 2013 * Edward Boyle, intelligence (Conservative politician) * Captain A. R. Bradshaw, senior naval officer at BP and in overall charge of administration of BP *

Charles Brasch Charles Orwell Brasch (27 July 1909 – 20 May 1973) was a New Zealand poet, literary editor and arts patron. He was the founding editor of the literary journal ''Landfall'', and through his 20 years of editing the journal, had a significant im ...

: Italian section, in Elmers School building and London. New Zealand poet. * Hilary Brett or Brett-Smith, from

Somerville College, Oxford Somerville College, a constituent college of the University of Oxford in England, was founded in 1879 as Somerville Hall, one of its first two women's colleges. Among its alumnae have been Margaret Thatcher, Indira Gandhi, Dorothy Hodgkin, Ir ...

, cryptologist,

Hut 8 Hut 8 was a section in the Government Code and Cypher School (GC&CS) at Bletchley Park (the British World War II codebreaking station, located in Buckinghamshire) tasked with solving German naval (Kriegsmarine) Enigma messages. The section was l ...

(Lady Hinsley) * Lord

Asa Briggs Asa Briggs, Baron Briggs (7 May 1921 – 15 March 2016) was an English historian. He was a leading specialist on the Victorian era, and the foremost historian of broadcasting in Britain. Briggs achieved international recognition during his lon ...

, member of the Watch in

(historian) *

Jean Briggs Watters Jean Annette Watters, Briggs (15 October 1925 – 15 September 2018) was an English cryptanalyst and Women's Royal Naval Service personnel who was one of around 10,000 women enlisted to decrypt the Enigma machine code at Bletchley Park and ne ...

, English cryptanalyst * Elsie Booker, Wren, in photo with Dorothy Du Boisson *

Christine Brooke-Rose Christine Frances Evelyn Brooke-Rose (16 January 1923 – 21 March 2012) was a British writer and literary critic, known principally for her experimental novels.

, from

* Tommy Brown, 16-year-old NAAFI canteen assistant who was awarded the

George Medal The George Medal (GM), instituted on 24 September 1940 by King George VI,''British Gallantry Medals'' (Abbott and Tamplin), p. 138 is a decoration of the United Kingdom and Commonwealth, awarded for gallantry, typically by civilians, or in circ ...

for risking his life in helping Francis Fasson and

Colin Grazier Colin Grazier, GC (7 May 1920 – 30 October 1942) was a sailor in the Royal Navy who was posthumously awarded the George Cross for the "outstanding bravery and steadfast devotion to duty in the face of danger" which he displayed on 30 October 1 ...

in recovering 'short signal' codebooks which provided a breakthrough in cryptanalysis of the German Naval Enigma from the sinking * Alan Bruce *

William Bundy William Putnam Bundy (September 24, 1917 – October 6, 2000) was an American attorney and intelligence expert, an analyst with the CIA. Bundy served as a foreign affairs advisor to both presidents John F. Kennedy and Lyndon B. Johnson. He ha ...

, US

Army Signal Corps The United States Army Signal Corps (USASC) is a branch of the United States Army that creates and manages communications and information systems for the command and control of combined arms forces. It was established in 1860, the brainchild of Ma ...

(member of the

CIA The Central Intelligence Agency (CIA ), known informally as the Agency and historically as the Company, is a civilian intelligence agency, foreign intelligence service of the federal government of the United States, officially tasked with gat ...

and foreign affairs advisor to Presidents John F. Kennedy and Lyndon B. Johnson) *

James Ramsay Montagu Butler Sir James Ramsay Montagu Butler, (20 July 1889 – 1 March 1975) was a British politician and academic. He was a member of parliament for Cambridge University from 1922 to 1923. He was Regius Professor of Modern History (Cambridge), Regius Prof ...

(politician and historian) * Elizabeth Byng *

John Cairncross John Cairncross (25 July 1913 – 8 October 1995) was a British civil servant who became an intelligence officer and spy during the Second World War. As a Soviet double agent, he passed to the Soviet Union the raw Tunny decryptions that influ ...

, Soviet spy *

Peter Calvocoressi Peter John Ambrose Calvocoressi (17 November 1912 – 5 February 2010) was a British lawyer, Liberal politician, historian, and publisher. He served as an intelligence officer at Bletchley Park during World War II. Early years Calvocoressi w ...

, intelligence officer (RAF) *

J. W. S. Cassels John William Scott "Ian" Cassels, FRS (11 July 1922 – 27 July 2015) was a British mathematician. Biography Cassels was educated at Neville's Cross Council School in Durham and George Heriot's School in Edinburgh. He went on to study at ...

John Chadwick John Chadwick, (21 May 1920 – 24 November 1998) was an English linguist and classical scholar who was most notable for the decipherment, with Michael Ventris, of Linear B. Early life, education and wartime service John Chadwick was born at ...

* Caroline Chojecki MBE, intelligence database analyst ( Soviet Studies Research Centre, Sandhurst database analyst) * John Christie, codebreaker *

Joan Clarke Joan Elisabeth Lowther Murray, MBE (''née'' Clarke; 24 June 1917 – 4 September 1996) was an English cryptanalyst and numismatist best known for her work as a code-breaker at Bletchley Park during the Second World War. Although she did not ...

(later Murray), mathematician (briefly engaged to Alan Turing)McKay, Sinclair (2010) "The Secret Life of Bletchley Park", Aurum Press Ltd., * William Clarke, Head of Naval Section, then of Italian Naval subsection * Tom Colvill, general Manager of the

* Arthur Cooper, British Foreign Office linguist (Chinese and Japanese),

FECB The Far East Combined Bureau, an outstation of the British Government Code and Cypher School, was set up in Hong Kong in March 1935, to monitor Japanese, and also Chinese and Russian (Soviet) intelligence and radio traffic. Later it moved to Singa ...

then

FRUMEL Fleet Radio Unit, Melbourne (FRUMEL) was a United States–Australian–British signals intelligence unit, founded in Melbourne, Australia, during World War II. It was one of two major Allied signals intelligence units called Fleet Radio Units in th ...

* Josh Cooper, cryptographer * Margaret Cooper (née Douglas) * Michael Crum, worked on the

Siemens and Halske T52 The Siemens & Halske T52, also known as the Geheimschreiber ("secret teleprinter"), or ''Schlüsselfernschreibmaschine'' (SFM), was a World War II German cipher machine and teleprinter produced by the electrical engineering firm Siemens & Halske. ...

teleprinter cipher, codenamed "STURGEON" *

Alec Naylor Dakin Alec Naylor Dakin (3 April 1912 – 14 June 2003) was a Fellow of Oxford College, a cryptologist at Bletchley Park, an Egyptologist and schoolmaster. Early life and family Alec Dakin was born in Mytholmroyd in the West Riding of Yorkshire in ...

(cryptographer) worked in

hut 4 Hut 4 was a wartime section of the Government Code and Cypher School (GC&CS) at Bletchley Park tasked with the translation, interpretation and distribution of '' Kriegsmarine'' (German navy) messages deciphered by Hut 8. The messages were largely ...

decrypted premature message about death of

Hitler Adolf Hitler (; 20 April 188930 April 1945) was an Austrian-born German politician who was dictator of Germany from 1933 until his death in 1945. He rose to power as the leader of the Nazi Party, becoming the chancellor in 1933 and then ...

during German assassination attempt * Dorrit Dekk, Czechoslovakian emigrant designer who joined the

Wrens Wrens are a family of brown passerine birds in the predominantly New World family Troglodytidae. The family includes 88 species divided into 19 genera. Only the Eurasian wren occurs in the Old World, where, in Anglophone regions, it is common ...

and worked as a 'listener' during the war * Alexander "Alistair" Denniston, Deputy Director of GC&CS * Nakdimon ("Naky") Doniach, RAF, linguist (later

GCHQ Government Communications Headquarters, commonly known as GCHQ, is an intelligence and security organisation responsible for providing signals intelligence (SIGINT) and information assurance (IA) to the government and armed forces of the Unit ...

and

Oxford University Oxford () is a city in England. It is the county town and only city of Oxfordshire. In 2020, its population was estimated at 151,584. It is north-west of London, south-east of Birmingham and north-east of Bristol. The city is home to the ...

) * Dorothy Du Boisson, operator of the

Colossus computer Colossus was a set of computers developed by British codebreakers in the years 1943–1945 to help in the cryptanalysis of the Lorenz cipher. Colossus used thermionic valves (vacuum tubes) to perform Boolean and counting operations. Colossus ...

* Peter Edgerley, codebreaker * Peter Ericsson,

shift-leader, linguist and senior codebreaker * Margaret "Peggy" Erskine-Tulloch née Seton, one of the first

at Bletchley Park, was a

Bombe The bombe () was an electro-mechanical device used by British cryptologists to help decipher German Enigma-machine-encrypted secret messages during World War II. The US Navy and US Army later produced their own machines to the same functiona ...

operator, instructor and watch officer *

John Davies Evans John Davies Evans (22 January 1925 – 4 July 2011) was an English archaeologist and academic known for his research into the prehistory of the Mediterranean, and especially the prehistoric cultures of Malta. He was a Director of the Institute o ...

Francis Anthony Blair Fasson Lieutenant Francis Anthony Blair Fasson, (17 July 1913 – 30 October 1942), known as Tony Fasson, was a Royal Navy officer. He was posthumously awarded the George Cross "for outstanding bravery and steadfast devotion to duty in the face of da ...

, Lieutenant RN was posthumously awarded the

George Cross The George Cross (GC) is the highest award bestowed by the British government for non-operational gallantry or gallantry not in the presence of an enemy. In the British honours system, the George Cross, since its introduction in 1940, has been ...

for the "for outstanding bravery and steadfast devotion to duty in the face of danger" that he displayed on 30 October 1942 in boarding, with Able Seaman

, the sinking

U-boat U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. Although at times they were efficient fleet weapons against enemy naval warships, they were most effectively used in an economic warfare role ...

''U-559'' and recovering 'short signal' codebooks which provided a breakthrough in Cryptanalysis of the German Naval Enigma but losing his life in the process *

Jane Fawcett Jane Fawcett MBE (née Hughes; 4 March 1921 – 21 May 2016) was a British codebreaker, singer, and heritage preservationist. She recently became known for her role in decoding a message, which led to the sinking of the German battleship ...

, was credited with identifying the message that led to the sinking of the battleship Bismarck, a great Allied naval victory * Harry Fensom, the creator of the British Tunny machine which was used in decoding messages in the Lorenz Cipher * Michael Field, foreign correspondent for the Daily Telegraph for thirty years, living in South America, Southeast Asia and France * Harold Fletcher;

, involved in Bombe administration from August 1941 *

Tommy Flowers Thomas Harold Flowers MBE (22 December 1905 – 28 October 1998) was an English engineer with the British General Post Office. During World War II, Flowers designed and built Colossus, the world's first programmable electronic computer, to help ...

, post office engineer and designer of the

* Leonard Forster *

Hugh Foss Hugh Rose Foss (13 May 1902 – 23 December 1971) was a British cryptanalyst. At Bletchley Park during World War II he made significant contributions both to the breaking of the German Enigma code and headed the section tasked with breaking Japan ...

, cryptographer, head of the Japanese Naval Section (Hut 7) from 1942 to 1943 * ''Freddy'' (Frederick) Freeborn, ran the Tabulating (index) Section in Block C (formerly

Hut 7 Hut 7 was a wartime section of the Government Code and Cypher School (GC&CS) at Bletchley Park tasked with the solution of Japanese naval codes such as JN4, JN11, JN40, and JN-25. The hut was headed by Hugh Foss who reported to Frank Birch, the h ...

; former head of BTM's Letchworth factory. *

Alfred Friendly Alfred Friendly (December 30, 1911 – November 7, 1983) was an American journalist, editor and writer for ''The Washington Post''. He began his career as a reporter with the ''Post'' in 1939 and became Managing Editor in 1955. In 1967 he covere ...

US Army Air Force The United States Army Air Forces (USAAF or AAF) was the major land-based aerial warfare service component of the United States Army and ''de facto'' aerial warfare service branch of the United States during and immediately after World War II ...

(editor of the ''

Washington Post ''The Washington Post'' (also known as the ''Post'' and, informally, ''WaPo'') is an American daily newspaper published in Washington, D.C. It is the most widely circulated newspaper within the Washington metropolitan area and has a large nati ...

'') * Joshua David Goldberg, Japanese codebreaker, solicitor *

Harry Golombek Harry Golombek OBE (1 March 1911 – 7 January 1995) was a British chess player, chess author, and wartime codebreaker. He was three times British chess champion, in 1947, 1949, and 1955 and finished second in 1948. He was born in Lambeth t ...

(chess player) * I. J. (Jack) Good * Raymond Goodman, head of one shift in Naval Intelligence under

Frank Birch Francis Lyall "Frank" Birch, (5 December 1889 – 14 February 1956) was a British cryptographer and actor. He was educated at Eton College and King's College, Cambridge. During World War I, he served as a lieutenant commander with the R ...

* Valerie Glassborow, grandmother of Kate Middleton, Duchess of Cambridge, worked in Hut 16 along with her twin sister 2*

, Able Seaman RN was posthumously awarded the

for the "for outstanding bravery and steadfast devotion to duty in the face of danger" that he displayed on 30 October 1942 in boarding, with Lieutenant Francis Fasson, the sinking ''U-559'' and recovering 'short signal' codebooks which provided a breakthrough in Cryptanalysis of the German Naval Enigma but losing his life in the process *

Nigel de Grey Nigel de Grey (27 March 1886 – 25 May 1951) was a British codebreaker. Son of the rector of Copdock, Suffolk, and grandson of the 5th Lord Walsingham, he was educated at Eton College and became fluent in French and German. In 1907 he ...

, cryptologist, in World War I helped decrypt the Zimmermann Telegram *

Philip Hall Philip Hall FRS (11 April 1904 – 30 December 1982), was an English mathematician. His major work was on group theory, notably on finite groups and solvable groups. Biography He was educated first at Christ's Hospital, where he won the Thomps ...

John Herivel John is a common English name and surname: * John (given name) * John (surname) John may also refer to: New Testament Works * Gospel of John, a title often shortened to John * First Epistle of John, often shortened to 1 John * Second E ...

, arrived at Bletchley Park in January 1940; discoverer of the "Herivel Tip"; later worked in administration in the "Newmanry" (science historian) *

Peter Hilton Peter John Hilton (7 April 1923Peter Hilton, "On all Sorts of Automorphisms", '' The American Mathematical Monthly'', 92(9), November 1985, p. 6506 November 2010) was a British mathematician, noted for his contributions to homotopy theory and ...

, arrived at Bletchley Park in January 1942, worked in Hut 8 until late 1942, moved to Research Section to work on Fish, later in

(

topologist In mathematics, topology (from the Greek words , and ) is concerned with the properties of a geometric object that are preserved under continuous deformations, such as stretching, twisting, crumpling, and bending; that is, without closing ho ...

) *

Harry Hinsley Sir Francis Harry Hinsley, (26 November 1918 – 16 February 1998) was an English historian and cryptanalyst. He worked at Bletchley Park during the Second World War and wrote widely on the history of international relations and British Int ...

(historian) * James Hogarth, worked on German naval cyphers e.g.

Reservehandverfahren ( en, Reserve Hand Procedure) was a German Naval World War II hand- cipher system used as a backup method when no working Enigma machine was available. The cipher had two stages: a transposition followed by bigram substitution. In the trans ...

* Gwen Hollington, worked in

Hut 4 Hut 4 was a wartime section of the Government Code and Cypher School (GC&CS) at Bletchley Park tasked with the translation, interpretation and distribution of '' Kriegsmarine'' (German navy) messages deciphered by Hut 8. The messages were largely ...

, Bletchley Park, translating decrypted German naval communications *

Leonard Hooper Sir Leonard James (Joe) Hooper (23 July 1914 – 19 February 1994) was director of the British signals intelligence agency, GCHQ, a post he held from 1965 to 1973. Career Educated at Alleyn's School in South East London and Worcester College, Ox ...

(Director of GCHQ) *

Dorothy Hyson Dorothy Hyson, Lady Quayle (born Dorothy Wardell Heisen; December 24, 1914May 23, 1996) was an American-born film and stage actress who worked largely in England. During World War II, she worked as a cryptographer at Bletchley Park. Early lif ...

(American-born West End actress ) * John Jeffreys, supervised manufacture of

perforated sheets The method of Zygalski sheets was a cryptologic technique used by the Polish Cipher Bureau before and during World War II, and during the war also by British cryptologists at Bletchley Park, to decrypt messages enciphered on German Enigma machin ...

; initially in charge of Hut 6 with Welchman until May 1940; died in early 1941 (mathematician) *

Roy Jenkins Roy Harris Jenkins, Baron Jenkins of Hillhead, (11 November 1920 – 5 January 2003) was a British politician who served as President of the European Commission from 1977 to 1981. At various times a Member of Parliament (MP) for the Lab ...

, codebreaker in the

(Labour

Member of Parliament A member of parliament (MP) is the representative in parliament of the people who live in their electoral district. In many countries with bicameral parliaments, this term refers only to members of the lower house since upper house members of ...

and government minister; first British President of the

European Commission The European Commission (EC) is the executive of the European Union (EU). It operates as a cabinet government, with 27 members of the Commission (informally known as "Commissioners") headed by a President. It includes an administrative body o ...

(1977–81); one of the four principal founders of the

Social Democratic Party The name Social Democratic Party or Social Democrats has been used by many political parties in various countries around the world. Such parties are most commonly aligned to social democracy as their political ideology. Active parties For ...

(SDP) in 1981, ennobled as Baron Jenkins of Hillhead; distinguished writer, especially of biographies) * Jones, Sergeant (later Squadron Leader); given overall responsibility for Bombe maintenance by Travis. * Daniel Jones, Japanese, Romanian and Russian codebreaker (Welsh composer) *

Eric Jones Eric Jones may refer to: *Sir Eric Malcolm Jones (1907–1986), British intelligence officer * Eric Jones (economic historian) (born 1936), British-Australian economist and historian * Eric Jones (footballer, born 1915) (1915–1985), English foot ...

, head of Hut 3 (Director of GCHQ) * Joan Joslin, cryptanalyst whose work helped lead to the sinking of the ''Scharnhorst'' *

Harold Keen Harold Hall "Doc" Keen (1894–1973) was a British engineer who produced the engineering design, and oversaw the construction of, the British bombe, a codebreaking machine used in World War II to read German messages sent using the Enigma machi ...

, BTM engineer who built the British

s * Marjorie Jean Oswald Kennedy *

Dilly Knox Alfred Dillwyn "Dilly" Knox, CMG (23 July 1884 – 27 February 1943) was a British classics scholar and papyrologist at King's College, Cambridge and a codebreaker. As a member of the Room 40 codebreaking unit he helped decrypt the Zimmer ...

, leading cryptologist, cracked the code of the commercial Enigma machines used in the Spanish Civil War, one of the British participants in the Biuro Szyfrów#Gift to allies, conference in which the Poles disclosed to their French and British allies their achievements in Enigma decryption, broke the ''Abwehr'' non-steckered Enigma * Solomon Kullback, American mathematician and cryptologist who visited Bletchley Park in May 1942 and cooperated with the British in the solution of more conventional German codebook-based systems. Shortly after his return to the US, Kullback moved into the Japanese section as its chief, and later joined the National Security Agency. * Leslie Lambert (short story writer as A. J. Alan) * Peter Laslett * Hugh Last (Professor of Ancient History at Brasenose College, Oxford) * F. L. Lucas, F. L. ("Peter") Lucas, Hut 3 1939–45, translator and intelligence-analyst, acting head Hut 3, C.O. BP Home Guard (writer; lecturer in literature, King's College, Cambridge) * Arnold Lynch * Sir John Marriott (philatelist), John Marriott (philatelist) * Peter Marr-Johnston headed

, Delhi; British Army officer. * Victor Masters,

shift-leader and senior codebreaker * George McVittie OBE, Air Section, Head of Meteorological Sub-section. (Professor of Astronomy at the University of Illinois) * Stewart Menzies, non-operational Director of GC&CS (head of Secret Intelligence Service) * Donald Michie, joined BP in the early summer of 1942' later worked with Colossus; had the idea for modifying it to become Colossus II, which could tackle 'wheel patterns' in addition to 'wheel settings' * Stuart Milner-Barry, member of Hut 6 from early 1940 to the end of the war; head of Hut 6 from Autumn 1943 (chess player and civil servant) * Max Newman, head of the "Newmanry" (topologist) * Brinley ("Bryn") Newton-John (father of Olivia Newton-John) * Rolf Noskwith, cryptographer * Wilfrid Noyce, wartime Intelligence Officer, cryptanalyst (climber, 1953 Mt Everest expedition; knew Alan Turing) * Denis Oswald, linguist and senior codebreaker * Thaddeus ("Teddy") Pilley, RAF Intelligence Officer, linguist in Hut 3 (was made Officier d’Academie by France; helped found the International Association of Conference Interpreters and the Chartered Institute of Linguists, Institute of Linguists; founded and ran the Linguists' Club (London), Linguists' Club) * John H. Plumb * Howard Newton Porter, US Army (philologist, Yale classics instructor, professor of classics at Columbia University) * Lewis Franklin Powell, Jr., US Army (member of the Supreme Court of the United States, US Supreme Court) * F.T. Prince (poet) * Henry Reed (poet), Henry Reed, translator (poet and radio dramatist) * David Rees (mathematician), David Rees, Hut 6 (mathematician) * Marian Rejewski, Polish mathematician and cryptography, cryptologist * Grafton Melville Richards, ISOS, cryptographer, linguist and academic (Welsh and Celtic Studies). Author of Welsh language novel Y Gelyn Mewnol (The Enemy Within), (1943), Llandybie: Llyfrau'r Dryw. * Jerry Roberts,

shift-leader, linguist and senior codebreaker * James Robertson (conductor), James Robertson, Blocks A and F, Air Section. Ran BP Recreational Club Choral Society (Director of the Sadler's Wells Opera Company) * Alison Robins, Wren * Margaret Rock, mathematician * Jim Rose (journalist), Jim Rose, Hut 3, later journalist and campaigner * Pamela Rose, Hut 4 and Naval records, earlier actress, later school counsellor and charity chair * Bob Roseveare, Hut 6 (schoolteacher) * Miriam Louisa Rothschild, author and scientist * Mair Russell-Jones, cryptanalyst in Hut 6, working on the Enigma cipher. * John Saltmarsh (historian), John Saltmarsh (historian) * D. R. Shackleton Bailey * Anne Segrave (née Anne Hamilton-Grace; was indexer in Hut 3.in 1942,43, worked under F.L. Lucas, then Lavers; received a proposal of marriage from Ralph Tymms) * Arthur Shaw (cryptographer); RN, at the Far East Combined Bureau, founder and head of diplomatic section. * Edward H. Simpson, cryptanalyst and mathematical statistician * Admiral Hugh Sinclair, non-operational Director of GC&CS (head of Secret Intelligence Service) * Howard Smith (diplomat), Howard Smith (director general of MI5) * Francis Hayward Stanton * Rosemary Brown Stanton * Oliver Strachey, head of the section deciphering ''Abwehr'' messages * Alan Stripp, worked on Japanese codes (author of ''Codebreaker in the Far East'') * Sadie Stuart * Joy Tamblin (Director of the Women's Royal Air Force) * Derek Taunt, arrived in Bletchley Park in August 1941, worked in Hut 6 (mathematician, later bursar of Jesus College, Cambridge) * Telford Taylor, US Army (Counsel for the Prosecution at the Nuremberg Trials) * Ralph Tester, linguist, head of the

and member of a TICOM team (accountant with Unilever) * John Thompson (cryptographer), John Thompson, codebreaker * John Tiltman * Edward Travis * Michael Trumm * Alan Turing, mathematician, logician, cryptanalyst, designer of the

, head of

(pioneering computer scientist) * W. T. Tutte * Peter Twinn, first British cryptographer to read a German military Enigma message; became the head of the ''Abwehr'' Enigma section * Ralph Tymms * Jean Valentine (bombe operator), Jean Valentine, leading Women's Royal Naval Service, WRNS, Bombe operator * Langdon Van Norden, Signal Corps (United States Army), US Army Signal Corps (chairman of the board of the Metropolitan Opera Association) * Vernon Watkins * Neil Leslie Webster, major in SIXTA, signals intelligence and codebreaking * Peter Frederick West Maintained the Bombes at Bletchley Park. * Gordon Welchman, initially in charge of Hut 6 with Jeffreys, became official head of the section until Autumn 1943; later Assistant Director of Mechanisation at Bletchley Park (author of ''The Hut Six Story'', worked on secure communications systems for US forces) * J. H. C. Whitehead, Newmanry mathematician (topologist, one of the founders of homotopy, homotopy theory) *Bernard Willson, academic, worked in Hut 4 on Italian and Japanese codes * Angus Wilson (novelist and short story writer) * F. W. Winterbotham, RAF Intelligence Officer, responsible for devising SLU system for secure dissemination of Ultra (author of ''The Ultra Secret'') * Shaun Wylie, arrived at Bletchley in February 1941, head of crib section in Hut 8, transferred in Autumn 1943 to work on Tunny (topologist, mathematics lecturer at Cambridge, and head of mathematics at GCHQ) * C. E. Wynn-Williams (physicist from the Telecommunications Research Establishment, TRE; designed the electronic counters used in the Newmanry, Newmanry's Heath Robinson (codebreaking machine), Robinson machines and

s * Leslie Yoxall,

, devised Yoxallismus technique *Joan Louisa McLean, Leading Wren 45270, wartime morse code operator

See also

References

Further reading