Leonhard Euler
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Deutsch: Leonhard Euler(* 15. April 1707 in Riehen (Schweiz); † 18. September 1783 in St. Petersburg) war einer der bedeutendsten Mathematiker aller Zeiten.
中文: 莱昂哈德·欧拉（1707年4月5日-1783年9月18日) 是瑞士数学家和物理学家。
Français : Leonhard Euler (15 avril 1707 - 18 septembre 1783) était un mathématicien et un physicien suisse.
English: Leonhard Euler (1707-1783) was an 18th century Swiss mathematician. He is considered as one of the greatest mathematicians of all time.
Español: Leonhard Euler (15 avril 1707, Riehen (Suiza) - 18 septembre 1783, San Petersburgo) fue uno de los más grandes matemáticos de todos los tiempos.
[edit] Portraits
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 Leonhard Euler aged 49 (oil painting by Emanuel Handmann, 1756) |
 Portrait of Leonhard Euler by Emanuel Handmann 1753 |
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[edit] Stamps and currency
.jpg) Swiss banknote featuring Euler |
 Former GDR stamp commemorating the 200th anniversary of Euler's death |
 Another GDR stamp |
 USSR stamp on Euler's 250th birthday. |
[edit] Other related images
 Euler's grave |
 Methodus inveniendi |
