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Leonhard Euler

Leonhard Euler (/' l?r/ OY-l?r;[2] German: [' l?r] (About this sound listen); 15 April 1707 - 18 September 1783) was a Swiss mathematician, physicist, astronomer, 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,...See more