21. Editions Jacques Gabay - Alexis-Claude CLAIRAUT Translate this page Reprints Encyclopedie des sciences Mathematiques, Abel, Borel, Fourier, Galois,Gauss, Hilbert, Lagrange, Laplace, Maxwell, Molk, Newton, Poincare, http://www.gabay.com/sources/Liste_Bio.asp?NP=CLAIRAUT Alexis-Claude

22. Encyclopedia: Alexis Clairaut Alexis Claude Clairault (or Clairaut) ( May 3 is the 123rd day of the year inthe Gregorian calendar (124th in leap years). There are 242 days remaining. http://www.nationmaster.com/encyclopedia/Alexis-Clairaut

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23. CompList Translate this page clairaut alexis Claude. book. (1731) essay, Recherches sur les courbes à doublecourbure book. (1743) treatise, Théorie de la figure de la terre, http://moro.imss.fi.it/lavoisier/Lavoisier_library2Gb.asp?Pag=4&iniziale=C

24. Clairaut Biography of alexis clairaut (17131765) alexis clairaut s father, Jean-Baptisteclairaut, taught mathematics in Paris and showed his quality by being http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Clairaut.html

Alexis Claude Clairaut Born: 7 May 1713 in Paris, France Died: 17 May 1765 in Paris, France Click the picture above to see two larger pictures Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Version for printing Alexis Clairaut 's father, Jean-Baptiste Clairaut, taught mathematics in Paris and showed his quality by being elected to the Berlin Academy . Alexis's mother, Catherine Petit, had twenty children although only Alexis survived to adulthood. Jean-Baptiste Clairaut educated his son at home and set unbelievably high standards. Alexis used Euclid 's Elements which provided a good introduction to the differential and integral calculus as well as analytical geometry. In the following year, Clairaut went on to study 's books, in particular his famous text Analyse des infiniment petits pour l'intelligence des lignes courbes. Few people have read their first paper to an academy at the age of 13, but this was the incredible achievement of Clairaut's in 1726 when he read his paper to the Paris Academy . Although we have already noted that Clairaut was the only one of twenty children of his parents to reach adulthood, he did have a younger brother who, at the age of 14, read a mathematics paper to the Academy in 1730. This younger brother died in 1732 at the age of 16.

25. Clairaut Portraits Portraits of alexis clairaut. The URL of this page is, © Copyright information.http//wwwhistory.mcs.st-andrews.ac.uk/history/PictDisplay/clairaut.html. http://www-groups.dcs.st-and.ac.uk/~history/PictDisplay/Clairaut.html

Alexis Clairaut JOC/EFR August 2005 The URL of this page is: http://www-history.mcs.st-andrews.ac.uk/history/PictDisplay/Clairaut.html

26. Clairaut, Alexis (1713-1765) -- From Eric Weisstein's World Of Scientific Biogra clairaut, alexis (17131765) clairaut calculated the effect that Saturn andJupiter would have on the 1759 appearance of Halley s comet and correctly http://scienceworld.wolfram.com/biography/Clairaut.html

Branch of Science Mathematicians Nationality French Clairaut, Alexis (1713-1765) French mathematician whose precocity had been expressed early in childhood. He wrote (1743), a treatise dealing with the shape of rotating solid bodies, far surpassing Newton in his analysis. He accompanied Maupertuis in the expedition to Lapland to determine if the Earth were oblate or prolate in shape. Clairaut calculated the effect that Saturn and Jupiter would have on the 1759 appearance of Halley's comet and correctly predicted its return to within a month. He also noted that Newton's prediction of the motion of the Moon was seriously wrong. He redid the calculation, found an error in Newton's derivation, and obtained the correct result. His (1752) made use of potential theory. He studied the family of ordinary differential equations which are named after him. In his (1731), he studied projections of curves. He observed the equality of mixed partial derivatives His textbook went through six editions. Maupertuis Additional biographies: MacTutor (St. Andrews)

27. 1749: Information From Answers.com In the year 1749 Astronomy alexis clairaut discovers a common error in allapproximate solutions of the threebody problem that attempt to explain. http://www.answers.com/topic/1749

showHide_TellMeAbout2('false'); Arts Business Entertainment Games ... More... On this page: US Literature Wikipedia Mentioned In Or search: - The Web - Images - News - Blogs - Shopping In the year Astronomy Alexis Clairaut discovers a common error in all approximate solutions of the three-body problem that attempt to explain the motion of the Moon in terms of Newton's theory of gravitation. He corrects the error and finds that the revised calculations accurately match the lunar orbit. See also 1747 Astronomy 1757 Astronomy . (See essay Jean le Rond D'Alembert's Recherches sur la precession des equinoxes et sur la nutation de la terre ("researches on the precession of the equinoxes and on the nutation of the Earth") gives the first mathematical explanation of the regular changes in the orientation of Earth's axis. See also 1748 Astronomy 1765 Physics Biology Comte de Buffon's Histoire naturelle, g©n©rale et particuli¨re ("general and particular natural history") begins a 55-year, 44-volume account of all that is known about animals and minerals. Buffon gives the modern definition of a species, a group of organisms capable of breeding and producing fertile offspring. See also 1753 Communication Denis Diderot's Lettre sur les aveugles ("letter on the blind") describes his materialist ideas, the dependence of humans on their senses, and a discourse on his theory of variability and adaptation.

28. Clairaut, Alexis Claude. The Columbia Encyclopedia, Sixth Edition. 2001-05 clairaut, alexis Claude. The Columbia Encyclopedia, Sixth Edition. 200105. http://www.bartleby.com/65/cl/Clairaut.html

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29. Alexis Claude Clairaut clairaut, alexis Claude, älekses klod klero Pronunciation Key. clairaut,alexis Claude , 1713–65, French mathematician. He assisted PLM de Maupertuis in http://www.factmonster.com/ce6/people/A0812374.html

Home U.S. People Word Wise ... Homework Center Fact Monster Favorites 2006 TFK Almanac Quiz: Charlie and the Chocolate Factory SpongeBob Lemony Snicket ... Fantasy Books Reference Desk Atlas Almanacs Dictionary Encyclopedia ... Encyclopedia Clairaut, Alexis Claude Pronunciation Key Clairaut, Alexis Claude , French mathematician. He assisted P. L. M. de Maupertuis in measuring (1736) a degree of an arc of a meridian in Lapland. He is noted for his work on differential equations and on curves and for formulating Clairaut's theorem dealing with geodesic lines on the surface of an ellipsoid. The Columbia Electronic Encyclopedia, Page Tools: Cite Print See more Encyclopedia articles on: Mathematics: Biographies AD AD AD ADS Business Cards Link to Fact Monster Add Fact Monster search ... Privacy Brought to you by: Information Please

30. Lapland alexis Claude clairaut clairaut, alexis Claude , 1713–65, French mathematician.He assisted PLM de Maupertuis Kiruna - Kiruna , city (1990 pop. http://www.factmonster.com/ce6/world/A0828862.html

Home U.S. People Word Wise ... Homework Center Fact Monster Favorites 2006 TFK Almanac Quiz: Charlie and the Chocolate Factory SpongeBob Lemony Snicket ... Fantasy Books Reference Desk Atlas Almanacs Dictionary Encyclopedia ... Encyclopedia Lapland Pronunciation Key Lapland , Finn. Lappi, Nor. Lapland, Swed. Lappland, The Lapps . or Laplanders, who constitute the indigenous population, number about 80,000; they call themselves Sami. The largest concentration of Lapps are found in Norway (about 50,000), where formerly they were called Finns (hence the province name Finnmark). Lapp institutions in Norway include a parliament (est. 1989) in Karasjok, which advises the federal parliament on Sami concerns, and the anthropological Nordic Sami Institute in Kautokeino. There are also Lapp parliaments in Sweden and Finland, and the international Sami Council works to protect the rights of Lapps throughout Lapland. Lapps speak a Finno-Ugric language, divided into three broad regional dialects. They once led a largely nomadic life, but now only about a tenth raise and follow the reindeer herds, wintering in the lowlands and summering in the western mountains. Their movements today are more restricted than in former times. Other Lapps are sea and river fishermen and hunters. Little is known of their early history, and they have proved to have no genetic resemblance to any other peoples. It is believed that they came from central Asia and were pushed to the northern extremity of Europe by the migrations of the Finns, Goths, and Slavs. They may have assumed their Finnic language in the last millennium

31. Science: Mathematics: Mathematicians: Clairaut, Alexis - Open Site Science Mathematics Mathematicians clairaut, alexis Open Site. http://open-site.org/Science/Mathematics/Mathematicians/Clairaut,_Alexis/

Open Site The Open Encyclopedia Project home submit content become an editor the entire directory only in Mathematicians/Clairaut,_Alexis Top Science Mathematics Mathematicians : Clairaut, Alexis Biography Alexis Claude Clairaut was born at Paris on May 13, 1713, and died there on May 17, 1765. He belongs to the small group of children who, though of exceptional precocity, survive and maintain their powers when grown up. As early as the age of twelve he wrote a memoir on four geometrical curves; but his first important work was a treatise on tortuous curves, published when he was eighteen - a work which procured for him admission to the French Academy. In 1731 he gave a demonstration of the fact noted by Newton that all curves of the third order were projections of one of five parabolas. In 1741 Clairaut went on a scientific expedition to measure the length of a meridian degree on the earth's surface, and on his return in 1743 he published his Th©orie de la figure de la terre. This is founded on a paper by Maclaurin, wherein it had been shewn that a mass of homogeneous fluid set in rotation about a line through its centre of mass would, under the mutual attraction of its particles, take the form of a spheroid. This work of Clairaut treated of heterogeneous spheroids and contains the proof of his formula for the accelerating effect of gravity in a place of latitude l. This category needs an editor - apply here Open Site Code 0.5.3

32. Alexis Clairaut Mathematicians Mathematics Science All about alexis clairaut Mathematicians Mathematics Science. http://infotut.com/reference/Science/Mathematics/Mathematicians/Clairaut,_Alexis

Encyclopedia Music Library Music Message Board Geography ... Mathematicians : Clairaut, Alexis Biography Alexis Claude Clairaut was born at Paris on May 13, 1713, and died there on May 17, 1765. He belongs to the small group of children who, though of exceptional precocity, survive and maintain their powers when grown up. As early as the age of twelve he wrote a memoir on four geometrical curves; but his first important work was a treatise on tortuous curves, published when he was eighteen - a work which procured for him admission to the French Academy. In 1731 he gave a demonstration of the fact noted by Newton that all curves of the third order were projections of one of five parabolas. In 1741 Clairaut went on a scientific expedition to measure the length of a meridian degree on the earth's surface, and on his return in 1743 he published his Th©orie de la figure de la terre. This is founded on a paper by Maclaurin, wherein it had been shewn that a mass of homogeneous fluid set in rotation about a line through its centre of mass would, under the mutual attraction of its particles, take the form of a spheroid. This work of Clairaut treated of heterogeneous spheroids and contains the proof of his formula for the accelerating effect of gravity in a place of latitude l. This category needs an editor - apply here Open Site - Encyclopedia Project Open Site Become an Editor Hot Albums XandY Emancipation of Mimi In Your Honor Monkey Business ... Kids var site="s20infotut"

33. Encyclopedia Of Astronomy And Astrophysics » Clairaut, Alexis Claude (1713†clairaut, alexis Claude (1713–65). DOI 10.1888/0333750888/3542; PublishedNovember 2000. Icon Full text (PDF, 19K) http://eaa.iop.org/index.cfm?action=summary&doc=eaa/3542@eaa-xml

34. Encyclopedia Of Astronomy And Astrophysics » Browse By Title Article clairaut, alexis Claude (1713–65); Published November 2000; SummaryFrench mathematician, infant prodigy, wrote Théorie de la Figure de la Terre, http://eaa.iop.org/index.cfm?action=browse.home&type=ti&dir=C/CL

35. Alexis Clairault - Wikipedia, The Free Encyclopedia alexis Clairault. alexis Claude Clairault (or clairaut) (May 3, 1713 – May 17,1765) was a French mathematician. He was born in Paris, France, http://en.wikipedia.org/wiki/Alexis_Claude_Clairault

Wikimedia needs your help in its 21-day fund drive. See our fundraising page Over US$145,000 has been donated since the drive began on 19 August. Thank you for your generosity! Alexis Clairault From Wikipedia, the free encyclopedia. (Redirected from Alexis Claude Clairault Alexis Claude Clairault (or Clairaut May 3 May 17 ) was a French mathematician He was born in Paris, France , where his father taught mathematics . Under his father's tuition he made such rapid progress in the subject that in his thirteenth year he read before the Acad©mie fran§aise an account of the properties of four curves which he had then discovered. When only sixteen he finished a treatise, Recherches sur les courbes a double courbure , which, on its publication in 1731, procured his admission into the French Academy of Sciences , although he was below the legal age. In , together with Pierre Louis Maupertuis , he took part in the expedition to Lapland , which was undertaken for the purpose of estimating a degree of the meridian , and on his return he published his treatise Th©orie de la figure de la terre (1743). In this work he promulgated the theorem, known as "

36. The Columbia Encyclopedia, Sixth Edition: Clairaut, Alexis Claude@ HighBeam Rese The Columbia Encyclopedia, Sixth Edition clairaut, alexis Claude@ HighBeam Research. http://www.highbeam.com/ref/doc0.asp?docid=1E1:Clairaut

37. CLAIRAUT, ALEXIS CLAUDE (1713 - 1765) clairaut, alexis CLAUDE (1713 1765). Recherches sur les courbes à double courbure.Paris 1731. This is the first edition of clairaut s first publication, http://www.scs.uiuc.edu/~mainzv/exhibitmath/exhibit/clairaut.htm

Number Theory for the Millenium University of Illinois at Urbana-Champaign Rare Book Room Exhibit CLAIRAUT, ALEXIS CLAUDE (1713 - 1765). Recherches sur les courbes à double courbure . Paris: 1731. This is the first edition of Clairaut's first publication, a treatise on tortuous curves, with six folding engraved plates, written when he was only sixteen. The Académie des Sciences was so impressed by this mathematical prodigy that it suspended its rules of admission to elect him to the Académie at the age of eighteen. Much of Clairaut's later research was on the effect of gravity and centrifugal force on rotating bodies, going beyond Isaac Newton whose monumental Principia he assisted in translating. Purchased through the generosity of the University of Illinois Library at Urbana-Champaign. Small - 180 KB Large - 556 KB Small - 259 KB Large - 802 KB

38. Alexis Claude Clairaut - The Degree Measurements By De Maupertuis alexis clairaut was born in 1713 and died in 1765. He worked as a mathematicianduring the expedition. He was a mathematical genius who http://www.rovaniemi.fi/lapinkavijat/maupertuis/clairaut_eng.html

PERSONAL GALLERY Maupertuis Alexis Clairaut Anders Celsius Anders Hellant Alexis Clairaut Alexis Clairaut was born in 1713 and died in 1765. He worked as a mathematician during the expedition. He was a mathematical genius who already at the age of twelve had been called to visit the Academy of Sciences in Paris. Like the rest of the expedition members Clairaut also undertook practical chores though in the first place he was there to calculate the measurement results. In a study published in 1743, the Clairaut proposition postulates in a simple way the dependency of the geometrical flattening ratio on the relationship between the gravity and the centrifugal force. Later Clairaut made a mathematical prediction of the appearance of Halley's comet in 1759. main page shape of the earth expedition life by the river ... Visitors to Lapland

39. Alexis Claude Clairaut - Maupertuis'n Astemittausretki alexis Claude clairaut. alexis clairaut syntyi 1713 ja kuoli 1765. Hän toimiretkellä matemaatikkona. Hän oli matemaattinen ihmelapsi joka jo 12 vuotiaana http://www.rovaniemi.fi/lapinkavijat/maupertuis/clairaut.html

HENKILÖGALLERIA: Maupertuis Alexis Clairaut Anders Celsius Anders Hellant Alexis Claude Clairaut Alexis Clairaut syntyi 1713 ja kuoli 1765. Hän toimi retkellä matemaatikkona. Hän oli matemaattinen ihmelapsi joka jo 12 vuotiaana oli esillä Pariisin tiedeakatemiassa. Clairaut otti muiden tavoin osaa käytännön työhön, mutta hän oli mukana ennenkaikkea laskemassa mittaustuloksia. 1743 julkaistussa tutkimuksessa, Clairautin väittämässä, esitetään yksinkertaisella tavalla maan geometrisen litistymissuhteen riippuvuus vetovoiman ja keskipakoisvoiman suhteesta. Myöhemmin Clairaut ennusti matemaattisesti vuoden 1759 Halleyn komeetan ilmestymisen. etusivu maapallon muoto astemittausretki väylän elämää ... lapinkävijät

40. Scientific Identity: Portraits From The Dibner Library Of The History Of Science Scientist, clairaut, alexis Claude (1713 1765). Discipline(s), Mathematics ;Astronomy Portrait of alexis Claude clairaut ~ Enlarge Image ~ http://www.sil.si.edu/digitalcollections/hst/scientific-identity/CF/by_name_disp

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