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**Leonhard Euler**
	Swiss mathematician, physicist, and engineer (1707–1783) Retrat d'Euler per Jakob Emanuel Handmann (1753).
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Name in native language	Leonhard Euler;
Date of birth	15 April 1707; Basel (canton of Basel, Old Swiss Confederacy)
Date of death	18 September 1783; Saint Petersburg (Russian Empire)
Manner of death	natural causes;
Cause of death	cerebral hemorrhage;
Place of burial	Smolensky Lutheran Cemetery (–1957); Lazarev Cemetery (59°55′12″N 30°23′24″E, 1957–);
Country of citizenship	Old Swiss Confederacy; Russian Empire; Kingdom of Prussia;
Residence	Basel; Saint Petersburg (1727–1741); Saint Petersburg (1766–); Berlin (1741–1753); Q15782821 (1753–1766);
Educated at	University of Basel (1720–);
Doctoral advisor	Johann Bernoulli;
Doctoral student	Nicolas Fuss;
Occupation	mathematician; physicist; university teacher; writer; music theorist; astronomer; scientist; inventor; executive; geographer;
Employer	Royal Prussian Academy of Sciences; Saint Petersburg State University; Saint Petersburg Academy of Sciences (1766–); Saint Petersburg Academy of Sciences (1727–1741);
Member of	Royal Prussian Academy of Sciences (1741–); Royal Swedish Academy of Sciences; Saint Petersburg Academy of Sciences (1730–); French Academy of Sciences (1755–); American Academy of Arts and Sciences (1782–); Royal Society (Fellow of the Royal Society, 1747–); Academy of Sciences of Turin (1760–);
Position held	adjunct (1727–1730); professor (1731 (in Julian calendar) – 1741); professor (1766–);
Field of work	mathematical analysis; number theory; shipbuilding; calculus of variations; astronomy; mechanics; theory of differential equations; ballistics; optics; mathematics; music theory; differential calculus; graph theory; physics; logic;
Father	Paul III Euler;
Mother	Marguerite Brucker;
Child	Johann Euler; Christoph Euler; Carl Euler;
Spouse	Salomea Abigail Euler (1776–); Katharina Euler (1734–1773);
Work location	Saint Petersburg (1727–); Berlin (1741–1766); Basel; Saint Petersburg; Berlin;
Notable work	Euler's theorem; Euler's rotation theorem; Euler's theorem in geometry; Euler's sum of powers conjecture; Euler's polyhedron formula; Euler–Lagrange equation; Cauchy–Euler equation; Euler's totient function; Euler's identity; Euler's four-square identity; Euler's formula; Euler's theorem; gamma function; Gaussian integral; Euler–Mascheroni constant; lucky numbers of Euler; Euler diagram; nine-point circle; Euler line; Eulerian path;
Authority file
	Q7604; ISNI: 0000000121245291; VIAF cluster ID: 24639786; GND ID: 118531379; Library of Congress authority ID: n50010222; Bibliothèque nationale de France ID: 12157666x; IdRef ID: 028115481; NDL Authority ID: 00652487; Libraries Australia ID: 35069249; NL CR AUT ID: ola2002161287; HDS ID: 018751; SELIBR ID: 185712; National Library of Israel ID (old): 000044595; National Library of Spain SpMaBN ID (BNE v1.0): XX893649; Nationale Thesaurus voor Auteursnamen ID: 069355770; NORAF ID: 90743512; NUKAT ID: n98007245; NLP ID (old): a0000001797210; National Library of Korea ID: KAC200901598, KAC201102153; Libris-URI: vs6888qd42r4qlr; National Library of Poland MMS ID: 9810667829305606; J9U ID: 987007260793905171; FranceArchives agent ID: 301269974; NACSIS-CAT author ID: DA01184372; SBN author ID: VEAV019451; Open Library ID: OL30028A; Mathematics Genealogy Project ID: 38586; IMDb ID: nm5996380
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Category:Uses of Wikidata Infobox

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Yu-la; Leonhard Euler; Leonard Euler; ലെയൻഹാർട് ഓയ്ലർ; Leonhard Euler; 歐拉; Леонард Эйлер; Leonhard Euler; เลอ็อนฮาร์ท อ็อยเลอร์; Leonhard Euler; Eiler Leonard; 莱昂哈德·欧拉; Leonhard Euler; matemático suizo; Svissneskur stærðfræðingur, eðlisfræðingur og verkfræðingur (1707–1783); matematikawan dot fisikawan pionir tingon Swiss; jan li sona wawa e nanpa li tan ma Suwasi; ahli matematik Switzerland; Swiss mathematician; Швейцарски математик; Matematikçi ve Fizikçi; schweizisk matematiker; Видатний математик; matematikisto; 스위스의 수학자 (1707–1783); svisa matematikisto (1707–1783); švýcarský matematik a fyzik; švicarski matematičar; সুইস গণিতবিদ; mathématicien, physicien, ingénieur et philosophe suisse (1707-1783); švicarski matematičar, fizičar i astronom; ލިޔުންތެރިއެއް; स्विस गणितज्ञ; nhà toán học, vật lý và kỹ sư người Thụy Sĩ (1707–1783); Suiso a matematiko; швајцарски математичар и физичар; Schwäizer Mathematiker a Physiker; sveitsisk matematiker og fysiker; ಗಣಿತಜ್ಞ; Swiss mathematician, physicist, and engineer (1707–1783); عالم رياضيات سويسري; papapykuaahára Suisagua; ဆွစ်ဇာလန် သင်္ချာပညာရှင်၊ ရူပဗေဒပညာရှင်နှင့် အင်ဂျင်နီယာ; svájci matematikus és fizikus; matematikaria; matemáticu rusu nacíu en Suiza; швейцарский, немецкий и российский математик; Schweizer Mathematiker; matematikan zviceran; ریاضی‌دان و فیزیک‌دان سوئیسی; 瑞士數學家（1707－1783）; schweizisk matematiker; švetsuarielaine, germuanielaine da ven’alaine matemuatiekku da mehaniekku, kudai luadi ylen suuren ruavon nämmien tiedoaloin kehittämizekse; スイスの数学者、天文学者 (1707 - 1783); מתמטיקאי ופיזיקאי שווייצרי; स्विस गणितज्ञ (1707-1783); స్విస్ గణిత శాస్త్రజ్ఞుడు, భౌతిక శాస్త్రవేత్త మరియు ఇంజనీర్ (1707–1783); sveitsiläinen matemaatikko; Swiss mathematician; ஆகச் சிறந்த கணித மேதை; matematico e fisico svizzero; Šveitsi matemaatik; matemático e físico suíço (1707–1783); švicarski matematik, fizik in inženir (1707–1783); matamaiticeoir Eilvéiseach; Ελβετός μαθηματικός; นักคณิตศาสตร์ชาวสวิส; szwajcarski matematyk, fizyk i astronom; Switserse wiskundige en fisikus; amusnak ed amesfizik aswisri (1707-1783); Matemàtic suís; matematician, fizician și inginer elvețian (1707–1783); швайчарьскый математік і фізік; švajčiarsky matematik a fyzik; matemático e físico suízo; Zwitsers wiskundige en natuurkundige (1707–1783); 瑞士数学家、物理学家（1707－1783）; швайцарскі матэматык, фізык і інжынэр; Leonhard Euler; Leonardo Eulero; L. Euler; Euler; Euler, Leonhard; jan Lejona Ola; jan Ole; jan Ola; jan Leonhard Euler; jan Euler; Эйлер Леонард; Эйлер, Леонард; Euler, Leonhard; L. Euler; Euler; Leonard Euler; Leonnard Eiler; L. Euler; Leonard Ejler; Leonhardo Eulero; Leonhardus Eulerus; L. Ejler; Eulero; Leonhard Evler; Leonhard Eyler; Liunardu Euleru; Ejler; Leonhard Paul Euler; Euler; Leonhard Paul Euler; Leonhard Paul Euler; Leonhard Paul Euler; オイラー; Euler, Leonhard; L. Euler; Euler; Leonhard Paul Euler; Leonhard Paul Euler; Lionard Euler; Leonhard Paul Euler; Leonhard Euler; אוילר; Léonhard Euler; Leonhard Paul Euler; Euler; ఆయిలర్, లియోన్‌హార్డ్; ఎల్. ఆయిలర్; ఆయిలర్; Leonhard Paul Euler; Euler; Leonhard Paul Euler; ليونهارد أويلر; ليونارد أويلر; أويلر; 欧拉; 歐拉; 欧拉; 莱奥哈尔德·欧拉; 莱昂哈德·欧拉; 李昂哈德·尤拉; 欧拉，L.



Alternative names	Euler, Leonhard; L. Euler; Euler
Description	Swiss mathematician, physicist, university teacher, writer, music theorist and astronomer
Date of birth/death	15 April 1707	18 September 1783
Location of birth/death	Basel, Switzerland	Saint Petersburg, Russian Empire
Work period	18^th century date QS:P,+1750-00-00T00:00:00Z/7
Work location	Basel; Saint Petersburg; Berlin; Saint Petersburg (1727–); Berlin (1741–1766)
Authority file	: Q7604 VIAF: 24639786 ISNI: 0000000121245291 LCCN: n50010222 NLA: 35069249 MGP: 38586 Open Library: OL30028A GND: 118531379 SELIBR: 185712 SUDOC: 028115481 BNF: 12157666x NDL: 00652487 BIBSYS: 90743512 HDS: 018751 NKC: ola2002161287 SBN: VEAV019451 BNE: XX893649 CiNii: DA01184372 NLP: a0000001797210 J9U: 987007260793905171 Koninklijke: 069355770 NLK: KAC200901598 WorldCat