Leonhard Euler

Swiss mathematician

Leonhard Euler ( OY-lər; German: [ˈɔʏlɐ] (listen); 15 April 1707 – 18 September 1783) was a Swiss mathematician, physicist, astronomer, geographer, logician and engineer who made important and influential discoveries in many branches of mathematics, such as infinitesimal calculus and graph theory, while also making pioneering contributions to several branches such as topology and analytic number theory. He also introduced much of the modern mathematical terminology and notation, particularly for mathematical analysis, such as the notion of a mathematical function. He is also known for his work in mechanics, fluid dynamics, optics, astronomy and music theory.Euler was one of the most eminent mathematicians of the 18th century and is held to be one of the greatest in history. He is also widely considered to be the most prolific, as his collected works fill 92 volumes, more than anyone else in the field. He spent most of his adult life in Saint Petersburg, Russia, and in Berlin, then the capital of Prussia. A statement attributed to Pierre-Simon Laplace expresses Euler's influence on mathematics: "Read Euler, read Euler, he is the master of us all."
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influenced by: Leonhard Euler



Pierre-Simon Laplace cover

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Pierre-Simon Laplace

French mathematician and astronomer



Philosophical Essay on Probabilities

book by Pierre-Simon Laplace

author: Pierre-Simon Laplace


Exposition du système du monde

popular astronomy book by Laplace

author: Pierre-Simon Laplace


Mécanique Céleste

book by Laplace

author: Pierre-Simon Laplace

1799 or 1825


Joseph-Louis Lagrange cover

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Joseph-Louis Lagrange

Mathematician and astronomer (1736-1813)


Anders Johan Lexell cover

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Anders Johan Lexell

Russian mathematician

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