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Leonhard Euler

(Mathematician, Physicist)

**Birthdate:**April 15, 1707

**Sun Sign:**Aries

**Birthplace:**Basel

**Died:**September 18, 1783

Leonhard Euler was a Swiss mathematician, physicist, astronomer, geographer, logician, and engineer known for founding graph theory and topology. He made significant contributions to various branches of mathematics, including analytic number theory, complex analysis, and calculus. Euler introduced modern mathematical terminology and notation, such as the concept of mathematical functions. He is recognized as one of the greatest mathematicians in history, with prolific works that have influenced subsequent generations of mathematicians. Euler's achievements include advancements in mechanics, fluid dynamics, optics, astronomy, and music theory, as well as pioneering developments in graph theory and topology.