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Leslie Yoxall
Albert Leslie Yoxall (18 May 1914 – 30 September 2005) was a British codebreaker at Bletchley Park during World War II. He devised a method to assist in solving Enigma messages which was dubbed Yoxallismus. After the war he worked at GCHQ until the mid-1970s. Early life Yoxall was born in Salford, and was the youngest out of four brothers. His father died young in a tramway accident. Leslie Yoxall was educated at Manchester Grammar School from 1925"In Memoriam: Leslie Yoxall", Bletchley Park Newsletter, Spring 2006 and Sidney Sussex College, Cambridge from 1933, graduating with first-class honours. He received his doctorate in 1941. On the outbreak of war, Yoxall returned to teach at Manchester Grammar School, and was next in line to become the head of mathematics.Hugh Sebag-Montefiore, ''Enigma: The Battle for the Code'', 2000, , p. 296 Codebreaking at Bletchley Park In April 1941, Gordon Welchman wrote to Yoxall advising him that he would soon be asked to help with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Times
''The Times'' is a British daily national newspaper based in London. It began in 1785 under the title ''The Daily Universal Register'', adopting its current name on 1 January 1788. ''The Times'' and its sister paper ''The Sunday Times'' (founded in 1821) are published by Times Newspapers, since 1981 a subsidiary of News UK, in turn wholly owned by News Corp. ''The Times'' and ''The Sunday Times'', which do not share editorial staff, were founded independently and have only had common ownership since 1966. In general, the political position of ''The Times'' is considered to be centre-right. ''The Times'' is the first newspaper to have borne that name, lending it to numerous other papers around the world, such as ''The Times of India'', ''The New York Times'', and more recently, digital-first publications such as TheTimesBlog.com (Since 2017). In countries where these other titles are popular, the newspaper is often referred to as , or as , although the newspaper is of nationa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alan Turing
Alan Mathison Turing (; 23 June 1912 – 7 June 1954) was an English mathematician, computer scientist, logician, cryptanalyst, philosopher, and theoretical biologist. Turing was highly influential in the development of theoretical computer science, providing a formalisation of the concepts of algorithm and computation with the Turing machine, which can be considered a model of a general-purpose computer. He is widely considered to be the father of theoretical computer science and artificial intelligence. Born in Maida Vale, London, Turing was raised in southern England. He graduated at King's College, Cambridge, with a degree in mathematics. Whilst he was a fellow at Cambridge, he published a proof demonstrating that some purely mathematical yes–no questions can never be answered by computation and defined a Turing machine, and went on to prove that the halting problem for Turing machines is undecidable. In 1938, he obtained his PhD from the Department of Mathemati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alumni Of Sidney Sussex College, Cambridge
Alumni (singular: alumnus (masculine) or alumna (feminine)) are former students of a school, college, or university who have either attended or graduated in some fashion from the institution. The feminine plural alumnae is sometimes used for groups of women. The word is Latin and means "one who is being (or has been) nourished". The term is not synonymous with "graduate"; one can be an alumnus without graduating ( Burt Reynolds, alumnus but not graduate of Florida State, is an example). The term is sometimes used to refer to a former employee or member of an organization, contributor, or inmate. Etymology The Latin noun ''alumnus'' means "foster son" or "pupil". It is derived from PIE ''*h₂el-'' (grow, nourish), and it is a variant of the Latin verb ''alere'' "to nourish".Merriam-Webster: alumnus .. Separate, but from the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People Educated At Manchester Grammar School
A person ( : people) is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness, and being a part of a culturally established form of social relations such as kinship, ownership of property, or legal responsibility. The defining features of personhood and, consequently, what makes a person count as a person, differ widely among cultures and contexts. In addition to the question of personhood, of what makes a being count as a person to begin with, there are further questions about personal identity and self: both about what makes any particular person that particular person instead of another, and about what makes a person at one time the same person as they were or will be at another time despite any intervening changes. The plural form "people" is often used to refer to an entire nation or ethnic group (as in "a people"), and this was the original meaning of the word; it subsequently acquired its use as a plural form of per ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bletchley Park People
Bletchley is a constituent town of Milton Keynes, Buckinghamshire, England. It is situated in the south-west of Milton Keynes, and is split between the civil parishes of Bletchley and Fenny Stratford and West Bletchley. Bletchley is best known for Bletchley Park, the headquarters of Britain's World War II codebreaking organisation, and now a major tourist attraction. The National Museum of Computing is also located on the Park. History Origins and early modern history The town name is Anglo-Saxon and means ''Blæcca's clearing''. It was first recorded in manorial rolls in the 12th century as ''Bicchelai'', then later as ''Blechelegh'' (13th century) and ''Blecheley'' (14th–16th centuries). Just to the south of Fenny Stratford, there was Romano-British town, '' M'' on either side of Watling Street, a Roman road. Bletchley was originally a minor village on the outskirts of Fenny Stratford, of lesser importance than Water Eaton. Fenny Stratford fell into decline from the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People From Salford
A person ( : people) is a being that has certain capacities or attributes such as reason, morality, consciousness or self-consciousness, and being a part of a culturally established form of social relations such as kinship, ownership of property, or legal responsibility. The defining features of personhood and, consequently, what makes a person count as a person, differ widely among cultures and contexts. In addition to the question of personhood, of what makes a being count as a person to begin with, there are further questions about personal identity and self: both about what makes any particular person that particular person instead of another, and about what makes a person at one time the same person as they were or will be at another time despite any intervening changes. The plural form "people" is often used to refer to an entire nation or ethnic group (as in "a people"), and this was the original meaning of the word; it subsequently acquired its use as a plural form of per ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
GCHQ Cryptographers
Government Communications Headquarters, commonly known as GCHQ, is an intelligence agency, intelligence and security agency, security organisation responsible for providing signals intelligence (SIGINT) and information assurance (IA) to the Government of the United Kingdom, government and British Armed Forces, armed forces of the United Kingdom. Primarily based at "The Doughnut" in the suburbs of Cheltenham, GCHQ is the responsibility of the country's Secretary of State for Foreign and Commonwealth Affairs (Foreign Secretary), but it is not a part of the Foreign Office and its Director ranks as a Permanent Secretary. GCHQ was originally established after the First World War as the Government Code and Cypher School (GC&CS) and was known under that name until 1946. During the Second World War it was located at Bletchley Park, where it was responsible for breaking the German Enigma machine, Enigma codes. There are two main components of the GCHQ, the Composite Signals Organisatio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clive Loehnis
Sir Clive Loehnis KCMG (24 August 1902 – 23 May 1992) was a director of the British signals intelligence agency, GCHQ, a post he held from 1960 to 1964. Career Loehnis was born in 1902 in Chelsea, London. His father, Herman Loehnis, was born in New York, but had become a naturalised British citizen and became a barrister. Clive Loehnis attended Lockers Park School and then became a Royal Navy officer cadet, training at the Royal Naval College, Osborne, and graduating from the Royal Naval College, Dartmouth, and the Royal Naval College, Greenwich. He became qualified in signals in 1928 and left the Navy in 1935. In 1938 he returned to the Signals Division of the Admiralty, where he earned the silver oak leaves of a commander before retiring in 1942 and going into the Naval Intelligence Division. When he was demobilised after the war, he joined GCHQ, at that time a semi-covert division of the Foreign Office.James Bamford, ''The Puzzle Palace'' Loehnis was appointed deputy to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cheltenham
Cheltenham (), also known as Cheltenham Spa, is a spa town and borough on the edge of the Cotswolds in the county of Gloucestershire, England. Cheltenham became known as a health and holiday spa town resort, following the discovery of mineral springs in 1716, and claims to be the most complete Regency town in Britain. The town hosts several festivals of culture, often featuring nationally and internationally famous contributors and attendees; they include the Cheltenham Literature Festival, the Cheltenham Jazz Festival, the Cheltenham Science Festival, the Cheltenham Music Festival, the Cheltenham Cricket Festival and the Cheltenham Food & Drink Festival. In steeplechase horse racing, the Gold Cup is the main event of the Cheltenham Festival, held every March. History Cheltenham stands on the small River Chelt, which rises nearby at Dowdeswell and runs through the town on its way to the Severn. It was first recorded in 803, as ''Celtan hom''; the meaning has not been resol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eastcote
Eastcote is a suburban area in the London Borough of Hillingdon, in northwest London. In the Middle Ages, Eastcote was one of the three areas that made up the parish of Ruislip, under the name of Ascot. The name came from its position to the east of the parish. While no historically significant events have taken place in Eastcote, there are links to past events in the history of Britain. One such example is of Lady Mary Bankes, who lived in Eastcote for a time, and led the defence of Corfe Castle in Dorset against the Roundheads during the English Civil War. Eastcote also housed an outstation of the Bletchley Park codebreaking activities during the Second World War, with several codebreaking computers in use. This operation became the precursor to GCHQ, which remained in Eastcote after the war until the department moved to purpose-built buildings in Cheltenham in 1952. By the turn of the 20th century, the recorded population was around 600; this had reached for the ward i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 led initially by Alan Turing. He was succeeded in November 1942 by his deputy, Hugh Alexander. Patrick Mahon succeeded Alexander in September 1944. Hut 8 was partnered with Hut 4, which handled the translation and intelligence analysis of the raw decrypts provided by Hut 8. Located initially in one of the original single-story wooden huts, the name "Hut 8" was retained when Huts 3, 6 & 8 moved to a new brick building, Block D, in February 1943. After 2005, the first Hut 8 was restored to its wartime condition, and it now houses the " HMS Petard Exhibition". Operation In 1940, a few breaks were made into the naval "Dolphin" code, but Luftwaffe messages were the first to be read in quantity. The German navy had much tighter procedures, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Conel Hugh O'Donel Alexander
Conel Hugh O'Donel Alexander (19 April 1909 – 15 February 1974), known as Hugh Alexander and C. H. O'D. Alexander, was an Irish-born British cryptanalyst, chess player, and chess writer. He worked on the German Enigma machine at Bletchley Park during the Second World War, and was later the head of the cryptanalysis division at GCHQ for 25 years. He was twice British chess champion and earned the title of International Master. Early life Hugh Alexander was born into an Anglo-Irish family on 19 April 1909 in Cork, Ireland, the eldest child of Conel William Long Alexander, an engineering professor at University College, Cork (UCC), and Hilda Barbara Bennett.Harry Golombek, revised by Ralph Erskine, "Alexander, (Conel) Hugh O'Donel (1909-1974), chess player and cryptanalyst" in the Oxford Dictionary of National Biography, 2004 His father died in 1920 (during the Irish War of Independence), and the family moved to Birmingham, England, where he attended King Edw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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