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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 who made groundbreaking contributions to various branches of mathematics, including graph theory, topology, number theory, complex analysis, and calculus. He played a significant role in popularizing mathematical notation and terminology still used today. Euler's work extended to mechanics, fluid dynamics, optics, and music theory. His impact on mathematics is widely recognized by subsequent mathematicians, who regard him as one of the most prolific and influential figures in the field's history.