Leonhard Euler (15 de april 1707 in Basel, Switza – 18 de septembre 1783 in Sancte Petroburgo) esseva un mathematico switze de grande creativitate. Ille ha studiate in Basel sub Johann Bernoulli e in 1727 deveniva professor de physica e plus tarde de mathematica in Sancte Petroburgo, Russia. In 1741 ille iva a Berlin como membro del Academia de Berlin. In 1766 ille retornava a St. Petroburgo. Ille contribueva a quasi tote le brancas del mathematica e su applicationes a problemas physic, mesmo post que ille deveniva totalmente cec in 1771. Ille etiam es le patre del terminologia moderne de mathematica. Ille es le prime qui representa function como 
. Ille contribueva con iste formula.
| Leonhard Euler |
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| Sexo |
mascule |
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| Nascentia |
1707-04-15 (Basel) |
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| Decesso |
1783-09-18, 1783-09-07, 1783 (Sancte Petroburgo) |
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| Causa de decesso |
hemorrhagia cerebral[*] |
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| Loco de reposo |
Smolensky Lutheran Cemetery[*], Lazarev Cemetery[*] |
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| Citatania |
Antique Confederation Switze, Imperio Russe, Kingdom of Prussia[*] |
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| Educate in |
University of Basel[*] |
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| Occupation |
mathematico, physico, professor universitari[*], scriptor, music theorist[*], Astronomo, scientista[*], inventor, executive[*], geographo[*] |
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| Obras notabile |
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[*], constante de Euler-Mascheroni, lucky numbers of Euler[*], Euler diagram[*], nine-point circle[*], Euler line[*], Eulerian path[*] |
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| Religion |
Protestantismo |
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| Conjuge |
Salomea Abigail Euler[*], Katharina Euler[*] |
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| Infantes |
Johann Euler[*], Christoph Euler[*], Carl Euler[*] |
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| Parentes |
matre Marguerite Brucker[*] patre Paul III Euler[*] |
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| Lingua |
latino, germano, francese, russo |
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| Signatura |
 |
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| Identificatores |
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| ISNI |
0000000121245291 |
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| VIAF |
24639786 |
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| IMDB |
nm5996380 |
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| Commons |
Leonhard Euler |
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Multe conceptos familiar recipeva lor nomines in su textos, p.ex. le base logarithmic "
".
