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English mathematician and physicist (1776–1862)
Peter Barlow (13 October 1776 – 1 March 1862) was an English mathematician and physicist. In 1801, Barlow was appointed assistant mathematics master at
Peter_Barlow_(mathematician)
Topics referred to by the same term
Peter Barlow may refer to: Peter Barlow (mathematician) (1776–1862), English writer on pure and applied mathematics Peter W. Barlow (1809–1885), English
Peter_Barlow
Optical lens used to increase focal length
The Barlow lens, named after the English physicist and mathematician Peter Barlow (1776–1862), is an optical tube with diverging lens elements that, used
Barlow_lens
English civil engineer (1809–1885)
1868 for an improved design. Barlow as born at Woolwich, the son of an engineer and mathematician, professor Peter Barlow of the Royal Military Academy
Peter_W._Barlow
Stuart-Wortley, 1st Baron Wharncliffe, politician (died 1845) 13 October Peter Barlow, mathematician (died 1862) John Gibb, Scottish civil engineering contractor
1776_in_Great_Britain
and poet, wife of Dante Gabriel Rossetti (b. 1829) 1 March – Peter Barlow, mathematician (b. 1776) 3 April – Sir James Clark Ross, naval officer and explorer
1862_in_the_United_Kingdom
Surname list
Barlow Amy Barlow Carla Barlow David Barlow Deirdre Barlow Frank Barlow Ida Barlow Irma Barlow Janet Barlow Jessica Barlow Ken Barlow Leanne Barlow Lucy
Barlow_(surname)
Formula that relates characteristics of the pipe and internal pressure it can withstand
of its material. This approximate formula is named after Peter Barlow, an English mathematician. P = 2 σ θ s D {\displaystyle P={\frac {2\sigma _{\theta
Barlow's_formula
Topics referred to by the same term
(1862–1934), British politician Sydney Turing Barlow Lawford (1865–1953), British general, father of Peter Lawford Turing (drag queen) (born 1992), Filipino
Turing_(disambiguation)
British civil engineer
structures. Barlow was born on 10 May 1812 in Woolwich, Kent (now in south-east London), the son of mathematician and physicist Professor Peter Barlow, who taught
William_Henry_Barlow
English award in probability theory
– Ed Perkins 1984 – Martin Thomas Barlow and Chris Rogers 1985 – Piet Groeneboom and Terence John Lyons 1986 – Peter Hall and Jean-François Le Gall 1987
Rollo_Davidson_Prize
Early demonstration of an electric motor
Barlow's wheel was an early demonstration of a homopolar motor, designed and built by English mathematician and physicist Peter Barlow in 1822. It consists
Barlow's_wheel
English prior
William Barlow (also spelled Barlowe; c. 1498 – 13 August 1568) was an English Augustinian prior turned bishop of four dioceses, a complex figure of the
William Barlow (bishop of Chichester)
William_Barlow_(bishop_of_Chichester)
International Congresses of Mathematicians Plenary and Invited Speakers. Being invited to talk at an International Congress of Mathematicians has been called "the
List of International Congresses of Mathematicians Plenary and Invited Speakers
List_of_International_Congresses_of_Mathematicians_Plenary_and_Invited_Speakers
Island in Antarctica
presumably honouring the British physicist and mathematician Peter Barlow (1776–1862), derives from the name 'Cape Barlow' originally applied in 1829 by the British
Barlow_Island
Cambridge University Harish-Chandra – mathematician Eugenia Cheng – mathematician John Horton Conway – mathematician Quentin Stafford-Fraser – computer scientist
List of alumni of Gonville and Caius College, Cambridge
List_of_alumni_of_Gonville_and_Caius_College,_Cambridge
German-Dutch mathematician
York: The Rosen Publishing Group, Inc. p. 46. ISBN 978-1-4042-0774-5. Barlow, Peter (1814). A New Mathematical and Philosophical Dictionary: Comprising
Ludolph_van_Ceulen
Prominent English families
Daughter of Ralph Wedgwood Martin T. Barlow (born 1953) is a mathematician; son of Andrew Dalmahoy Barlow. Phyllida Barlow (1944–2023) was a sculptor and art
Darwin–Wedgwood_family
Cemetery in London, England
Decorated style. Peter Barlow (1776–1862) – mathematician William Henry Barlow (1812–1902) – civil engineer (and son of Peter Barlow) Sir Geoffrey Callender
Charlton_Cemetery
Operations research and management sciences award
operations research and the management sciences. The Prize named after mathematician John von Neumann is awarded for a body of work, rather than a single
John_von_Neumann_Theory_Prize
Closeness of someone's association with mathematician Paul Erdős and actor Kevin Bacon
Christopher Skinner and Andrew Odlyzko. Mathematician Dror Bar-Natan appeared in an episode of the show Horizon with Dilly Barlow, giving him a Bacon number of
Erdős–Bacon_number
multiple people Peter Bang, multiple people Peter Barber, multiple people Peter Barker, multiple people Peter Barlow, multiple people Peter Barnes, multiple
List of people with given name Peter
List_of_people_with_given_name_Peter
Scottish architect (1765–1844)
Peter Nicholson (20 July 1765 – 18 June 1844) was a Scottish architect, mathematician and engineer. Largely self-taught, he was apprenticed to a cabinet-maker
Peter_Nicholson_(architect)
Independent school in Staffordshire, England
anthropologist Frank Barlow (1911–2009), historian Kenneth H. Roscoe (1914–1970), soil engineer John Wain (1925–1994), writer, poet and academic Peter G. "Spam"
Newcastle-under-Lyme_School
first award was presented in 1968. The prize was named in honor of the mathematicians Ralph Lent Jeffery and Lloyd Williams. Source: Canadian Mathematical
Jeffery–Williams_Prize
British physicist and mathematician (1784–1865)
compass. Some of his magnetic research was done in collaboration with Peter Barlow. He became a Fellow of the Royal Society in 1826, delivered their Bakerian
Samuel_Hunter_Christie
17th-century conjecture proved by Andrew Wiles in 1994
Theorem were published in the early 19th century by Niels Henrik Abel and Peter Barlow, the first significant work on the general theorem was done by Sophie
Fermat's_Last_Theorem
French mathematician
theorem. Budan's book was read across the English Channel; for example, Peter Barlow includes mention of it in his entry on Approximation[permanent dead link]
François_Budan_de_Boislaurent
Instrument for measuring, keeping or indicating time
mechanism. During the 20th century there was a common misconception that Edward Barlow invented rack and snail striking. In fact, his invention was connected with
Clock
White Lead Company. Peter Barlow publishes New Mathematical Tables and A New Mathematical and Philosophical Dictionary. 'Barlow's Tables' continue to
1814_in_science
Early cybernetics circle
1949 to 1958 of young psychiatrists, psychologists, physiologists, mathematicians and engineers who met to discuss issues in cybernetics. The idea of
Ratio_Club
feminist") Robert Barker – painter and inventor of the panorama Phyllida Barlow – artist Michelle Bass – model and television pornography presenter Joey
List of people from Newcastle upon Tyne
List_of_people_from_Newcastle_upon_Tyne
London Mathematical Society prize
prizes, but is intended to recognize more experienced mathematicians. 1979 Peter Cameron, Peter Johnstone 1980 H. G. Dales, Toby Stafford 1981 Nigel Hitchin
Whitehead_Prize
Durk Kingma, computer scientist, co-founder of OpenAI Peter Braam, computer scientist, mathematician and entrepreneur Jan van Leeuwen, computer scientist
List of Utrecht University people
List_of_Utrecht_University_people
chemist, professor at ETH Zurich Peter Barham – Emeritus professor of physics at the University of Bristol Denise P. Barlow – Geneticist and winner of the
List of University of Warwick people
List_of_University_of_Warwick_people
Day of the year
and author (born 1919) 2006 – John Crank, English mathematician and physicist (born 1916) 2006 – Peter Norman, Australian runner (born 1942) 2006 – Alberto
October_3
politician, MP (2016–2020). Peter Cannon-Brookes, 87, British art historian. Charles W. Curtis, 99, American mathematician and historian. Abdusamad Durmonov
Deaths_in_May_2026
Public university in Blacksburg, Virginia, US
Koontz, Senior Justice of the Supreme Court of Virginia, and William K. Barlow, Garrett McGuire, and Matt Lohr, members of the Virginia House of Delegates
Virginia_Tech
Lamont (1918–1978), actor Sydney Turing Barlow Lawford (1865–1953), Lieutenant-General and father of actor Peter Lawford Ron Ledger (1920–2004), politician
List of people from Royal Tunbridge Wells
List_of_people_from_Royal_Tunbridge_Wells
8th-century English scholar, clergyman, poet, and teacher
Middle Ages. Grace Publications Trust. ISBN 978-0-946462-56-8. Page, Rolph Barlow (1909). The Letters of Alcuin. New York: Forest Press. Stehling, Thomas;
Alcuin
List of notable UK deaths in a year
ambassador Lord Haskins". TheBusinessDesk.com. Retrieved 30 March 2026. Barlow, Nigel (30 March 2026). "Manchester Radio Legend James Stannage dies at
2026 deaths in the United Kingdom
2026_deaths_in_the_United_Kingdom
List of scientists who are Christians
mathematician who wrote on Euclid, an astronomer, and a designer of mechanical devices. Christopher Clavius (1538–1612): Jesuit German mathematician,
List of Christians in science and technology
List_of_Christians_in_science_and_technology
abolition of the slave trade and in the temperance movement Peter Barlow (1776–1862), mathematician and physicist Jasper Blaxland (1880–1963), consultant surgeon
List_of_people_from_Norwich
Ronald Hugh Barker, physicist, mathematician and pioneer of digital technology who invented Barker code Harold Barlow, engineer and UCL academic Arnold
List of University College London people
List_of_University_College_London_people
Naylor, lawyer 1873–75: John Death (2 terms) 1875–77: Frederic Barlow, solicitor of Barlow, Palmer and Neville (2 terms) 1877–78: T. H. Naylor (2nd term)
List_of_mayors_of_Cambridge
Strawbridge: Pennsylvania representative to the US Congress, 1873–1875 Joel Barlow Sutherland: Pennsylvania representative to the US Congress, 1827–1837 John
List of University of Pennsylvania people
List_of_University_of_Pennsylvania_people
real name was "Johannes Müller von Königsberg", was an astrologer, mathematician, and astronomer of the German Renaissance who was active in countries
List_of_unsolved_deaths
American mathematician (born 1957)
Eric Steven Lander (born February 3, 1957) is an American mathematician and geneticist who is a professor of biology at the Massachusetts Institute of
Eric_Lander
American scientist, surveyor and farmer (1731–1806)
Banneker (November 9, 1731 – October 19, 1806) was an American naturalist, mathematician, astronomer and almanac author. A landowner, he also worked as a surveyor
Benjamin_Banneker
English mathematician (died 1834)
post at the University of Virginia, between Francis Walker Gilmer and Peter Barlow. The chair went in the end to Charles Bonnycastle. Harvey became a Fellow
George_Harvey_(FRS)
Schultz (2007). O Fortunate Floridian: H. P. Lovecraft's Letters to R. H. Barlow. University of Tampa Press. ISBN 978-1-59732-034-4. Stoddart, Brian (2002)
List of deaths from drug overdose and intoxication
List_of_deaths_from_drug_overdose_and_intoxication
Name list
surrealist fantasy horror Valerie and Her Week of Wonders (1970 film) Valerie Barlow, a character in the British soap opera Coronation Street Valerie Gray, a
Valerie_(given_name)
Way You Look Tonight"; Alban Berg's Violin Concerto; Sergei Prokofiev's Peter and the Wolf (one of the most famous foreign works affected by the 2012
2032_in_public_domain
Women in science from 190 1 to 2000 A.D
Frances Northcutt (born 1943), American engineer Rózsa Péter (1905–1977), Hungarian mathematician Cicely Popplewell (1920–1995), British software engineer
List of women scientists in the 20th century
List_of_women_scientists_in_the_20th_century
Military academy in Woolwich, in south-east London
Britannica Online: Peter Barlow". Archived from the original on 14 November 2011. Retrieved 29 May 2013. "MacTutor Biography: Peter Barlow". Archived from
Royal Military Academy, Woolwich
Royal_Military_Academy,_Woolwich
List of terms created from a person's name
Barkhausen stability criterion, Barkhausen–Kurz tube Peter Barlow, English mathematician and physicist — Barlow lens Thomas Wilson Barnes, British chess master
List_of_eponyms_(A–K)
Method of construction
early civil engineers and mathematicians, including Giovanni Barbara (1726), William Chapman (1787), Benjamin Outram (1798), Peter Nicholson (1828), George
Skew_arch
IED in Jerusalem in 1947. Erich Bärenfänger (1945), German general R. H. Barlow (1951), American writer and anthropologist, barbiturate overdose Boris Barnet
List_of_suicides_(1900–1999)
American writer (1890–1937)
carried out his expressed wishes, and Barlow was given control of Lovecraft's literary estate upon his death. Barlow deposited the bulk of the papers, including
H._P._Lovecraft
89, British politician, MEP (2004–2014). Martin Davis, 94, American mathematician (Davis–Putnam algorithm). N. C. Debbarma, 80, Indian politician, Tripura
Deaths_in_January_2023
Species of hyena
whose physical descriptions match the spotted hyena. Kolben, a German mathematician and astronomer who worked for the Dutch East India Company in the Cape
Spotted_hyena
engineer, clepsydra with hands and dial. Zhang Heng (78–139), Chinese mathematician and inventor, clepsydra with extra reservoir. Yi Xing (683–727), Chinese
List_of_watchmakers
Horace Barlow (Trinity) Simon Baron-Cohen (Trinity), psychologist Isaac Barrow (Trinity) John Barrow (Clare), Templeton Prize winner, mathematician Tristan
List of University of Cambridge people
List_of_University_of_Cambridge_people
German polymath (1769–1859)
and Allied Sciences. 27 (2): 163. JSTOR 24622076. Retrieved 22 June 2022. Barlow, Nora ed. 1958. The autobiography of Charles Darwin 1809–1882. With the
Alexander_von_Humboldt
English mathematician, philosopher, and engineer (1791–1871)
(/ˈbæbɪdʒ/; 26 December 1791 – 18 October 1871) was an English polymath. A mathematician, philosopher, inventor and mechanical engineer, Babbage originated the
Charles_Babbage
Name list
Islander politician Peter Samuel, 4th Viscount Bearsted (1911–1996), British soldier and banker Pierre Samuel (1921–2009), French mathematician Randy Samuel
Samuel_(name)
Irish mathematician and physicist (1805–1865)
William Rowan Hamilton (4 August 1805 – 2 September 1865) was an Irish mathematician, physicist, and astronomer who made numerous major contributions to
William_Rowan_Hamilton
Ashburton Barker, Broome County, New York – John Barker (settler) Barlow, Oregon – John L. Barlow (settler) Barnard, Vermont – Sir Francis Bernard (landholder)
List of places in the United States named after people
List_of_places_in_the_United_States_named_after_people
English actress (born 1975)
original on 8 November 2017. Retrieved 1 November 2017. "Kate Winslet and Gary Barlow receive royal honours". BBC News. 21 November 2012. Archived from the original
Kate_Winslet
failure. Bea Ballintijn, 100, Norwegian Olympic swimmer (1948). Clarence Barlow, 77, British composer, complications from a fall. Inoslav Bešker, 73, Croatian-Italian
Deaths_in_June_2023
Barksdale (1609–1687), poet and cleric George Barlow (wrote as James Hinton, 1837–1913/1914), poet William Barlow (died 1613), scholar, AV translator and bishop
List_of_English_writers_(A–C)
Richard Barlow, who had been an intelligence analyst in the CIA at the time. This arrest resulted from a sting operation organised by Barlow and a counterpart
Pakistan and weapons of mass destruction
Pakistan_and_weapons_of_mass_destruction
Paul Erdős (1913–1996) was a Hungarian mathematician. He considered mathematics to be a social activity and often collaborated on his papers, having 511
List of people by Erdős number
List_of_people_by_Erdős_number
senátor Ivan Havlíček (in Czech) The death has occurred of Tras Honan (née Barlow) Veteran PD/Air Talent Clarke Ingram Dies Local obituary: Daryl Johnson
Deaths_in_November_2023
American journalist and author (1946–2020)
Drosnin began researching the Bible Code in 1992 after meeting the mathematician Eliyahu Rips in Israel. His work was deeply inspired by the publication
Michael_Drosnin
Public university in England
science – this time to the United States. The Percy Report of 1945 and Barlow Committee in 1946 called for a "British MIT"-equivalent, backed by influential
Imperial_College_London
Austrian philosopher and logician (1889–1951)
February 1944. While there he worked and associated socially with Erasmus Barlow, a great-grandson of Charles Darwin. Wittgenstein returned to Cambridge
Ludwig_Wittgenstein
the European Union (1996–2000). Lokenath Debnath, 87, Indian-American mathematician, founder of the International Journal of Mathematics and Mathematical
Deaths_in_March_2023
Decade
(1684–1704) and Bishop of Ceuta (1681–1684) (b. 1627) August 11 – Francis Barlow, English painter (b. c. 1626) August 14 – Roland Laporte, French Protestant
1700s_(decade)
1000 Songs About Everything". Atwood Magazine. Retrieved June 8, 2026. Barlow, Eve (May 10, 2018). "Viva la diva! How Eurovision's Dana International
List_of_transgender_people
broadcaster Julian Wilson (1940–2014), BBC racing commentator (1966–1997) George Barlow (1847–1913–4), English poet Edward William Barnard (1791–1828), English
List_of_Old_Harrovians
Combat formation of the United States Army
front line between the Serchio Valley and Mt. Belvedere. Col. Raymond C. Barlow commanded the 85th Regiment, Col. Clarence M. Tomlinson the 86th, and Col
10th_Mountain_Division
Bronze sculpture in St Peter's Square, Manchester depicting Emmeline Pankhurst
place in Manchester". Manchester Evening News. Retrieved 19 December 2019. Barlow, Nigel (16 July 2018). "Pankhurst Meeting Circle unveiled On Emmeline Pankhurst's
Rise_up,_Women
Hobbit) Richard Attenborough (actor, Jurassic Park; director, Gandhi) Patrick Barlow (actor, comedian and playwright) Oliver Bayldon (production designer and
List of people from Leicester and Leicestershire
List_of_people_from_Leicester_and_Leicestershire
List of distinguished people educated at Winchester College
molecular and cell biologist, BBC Chairman John Latham, artist Horace Barlow, neuroscientist Mark Bonham Carter, publisher and politician Tony Pawson
List_of_Old_Wykehamists
which will continue for two centuries. Copley Medal: François Arago; Peter Barlow January 18 – Edward Frankland (died 1899), English chemist. March 25
1825_in_science
Family name
(1751–1820), American Quaker pioneer Fern Hunt (born 1948), American mathematician Flint Gregory Hunt (1959–1997), American murderer Florence Hunt (born
Hunt_(surname)
Notation of differential calculus
"Differential" and "Fluxion", Dictionary of Pure and Mixed Mathematics (Peter Barlow, 1814) 1st to 4th, 10th and nth derivatives: Articles 622, 580 and 579
Notation_for_differentiation
French philosopher and Jesuit priest (1881–1955)
was ordained a priest. In the ensuing years, Bergson's protege, the mathematician and philosopher Édouard Le Roy, was appointed successor to Bergson at
Pierre_Teilhard_de_Chardin
Impairments, activity limitations, and participation restrictions
"Disabled people". Holocaust Memorial Day Trust. Retrieved June 7, 2023. Barlow, Kathleen (2006). "Inbreeding, Incest, and the Incest Taboo: The State of
Disability
attempted to be resolved by superstring theory. Narrated by Peter Jones, directed by David Barlow, written and produced by Chris Haws, made by InCA Productions
List_of_Equinox_episodes
anthropologist Keith Briggs – mathematician, formerly on the staff of the Physics Department Gavin Brown – mathematician, former vice chancellor of Adelaide
List of University of Adelaide people
List_of_University_of_Adelaide_people
Fairley Alan Head Andrew Holmes John Philip John Spence Robert Bartnik – mathematician John Cade – discovered lithium carbonate as a mood stabilizer in the
List_of_Old_Scotch_Collegians
Type of electrical telegraph
got the news, or failed to realise its significance for a telegraph. Peter Barlow investigated Ampère's idea, but thought it would not work. In 1824 he
Needle_telegraph
first use of the cylindrical wrought iron tunnelling shield devised by Peter W. Barlow and James Henry Greathead and of a permanent tunnel lining of cast
1870_in_science
mechanism for striking clocks by the English mechanician Edward Barlow, the invention by either Barlow or Daniel Quare, a London clock-maker, in 1676 of the repeating
History of timekeeping devices
History_of_timekeeping_devices
City in Sicily, Italy
unsuccessfully attempted to subjugate it. It was the birthplace of the mathematician Archimedes, who led its defense during the Roman siege in 212 BC. Syracuse
Syracuse,_Sicily
Specific aspects of Benjamin Banneker's life and legacy
accomplishments of Benjamin Banneker (1731–1806), an African-American naturalist, mathematician, astronomer and almanac author who also worked as a surveyor and farmer
Mythology of Benjamin Banneker
Mythology_of_Benjamin_Banneker
Indian filmmaker. Johnnie S. Aikens, 71, American politician. Sir John Barlow, 2nd Baronet, 87, British politician, MP (1945–1966). Elena de Galantha
Deaths_in_January_1986
Suburban village of Manchester
commander, Prince Rupert, stationed himself at Didsbury Ees, to the south of Barlow Moor. A section of the Jacobite army including the Duke of Perth crossed
Didsbury
travel, tourism, insurance
PETER BARLOW-MATHEMATICIAN
PETER BARLOW-MATHEMATICIAN
Boy/Male
American, Anglo, British, Christian, English, Hindu, Indian
From the Barley Settlement; Place Name; Place Name of Where Barley was Grown
Male
Romanian
Romanian form of Greek Petros, PETRE means "rock, stone."
Male
English
Short form of English Peter, PETE means "rock, stone."
Boy/Male
Australian, Chinese, Danish, Dutch, Finnish, French, German, Greek, Polish
A Rock; Form of Peter; Stone
Surname or Lastname
English
English : variant of Barstow.
Surname or Lastname
English
English : variant spelling of Harlow.
Boy/Male
American, Anglo, Australian, British, Celtic, English, Irish
Minstrel; Singer-poet; Barley Valley
Male
Swedish
Norwegian and Swedish form of Greek Petros, PETTER means "rock, stone."Â
Boy/Male
English American
From the barley farm.
Surname or Lastname
English
English : variant of Barlow.
Boy/Male
American, Australian, British, Christian, Danish, English, Finnish, German, Greek
Rock; Form of Peter; Stone
Surname or Lastname
English, Scottish, German, Dutch, etc.
English, Scottish, German, Dutch, etc. : from the personal name Peter (Greek Petros, from petra ‘rock’, ‘stone’). The name was popular throughout Christian Europe in the Middle Ages, having been bestowed by Christ as a byname on the apostle Simon bar Jonah, the brother of Andrew. The name was chosen by Christ for its symbolic significance (John 1:42, Matt. 16:18); St. Peter is regarded as the founding head of the Christian Church in view of Christ’s saying, ‘Thou art Peter and upon this rock I will build my Church’. In Christian Germany in the early Middle Ages this was the most frequent personal name of non-Germanic origin until the 14th century. This surname has also absorbed many cognates in other languages, for example Czech Petr, Hungarian Péter. It has also been adopted as a surname by Ashkenazic Jews.
Surname or Lastname
English
English : habitational name from any of several places called Barlow, especially those in Lancashire and West Yorkshire. The former is named with Old English bere ‘barley’ + hlÄw ‘hill’; the latter probably has as its first element the derived adjective beren or the compound bere-ærn ‘barn’. There is also a place of this name in Derbyshire, named with Old English bÄr ‘boar’ or bere ‘barley’ + lÄ“ah ‘woodland clearing’, and one in Shropshire, which is from bere ‘barley’ + lÄ“ah.
Male
Norwegian
Danish and Norwegian form of Greek Petros, PEDER means "rock, stone."
Boy/Male
German Scandinavian Muslim
A rock. Form of Peter.
Surname or Lastname
English
English : variant of Marlow.
Female
Turkish
 Turkish name YETER means "enough; sufficient." Compare with another form of Yeter.
Surname or Lastname
English
English : variant of Pear.Dutch and North German : from a reduced form of the personal name Peter.
Boy/Male
Australian, Danish, Dutch, French, German, Scandinavian, Swedish
A Rock; Form of Peter; Stone
Surname or Lastname
English
English : probably a variant of Farlow.
PETER BARLOW-MATHEMATICIAN
PETER BARLOW-MATHEMATICIAN
PETER BARLOW-MATHEMATICIAN
PETER BARLOW-MATHEMATICIAN
PETER BARLOW-MATHEMATICIAN
PETER BARLOW-MATHEMATICIAN
PETER BARLOW-MATHEMATICIAN
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