'''Pythagoras''' lived approximately from 582 to 507 BC. He was a [[Greek]] [[mathematician]] and [[philosopher]], for whom the [[Pythagorean Theorem]] is named. Pythagoras was one of the [[Presocratic Philosophy|Presocratic Philosophers]]. He was also an [[astronomer]] and a [[musician]].
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Pythagoras sought to reduce music and astronomy to numerical patterns. He believed in a concept of translating musical notes into mathematical equations and vice versa called Pythagorean tuning by use of the ratio 3:2. He also believed that the mathematical [[Orbit|motions of the planets]] in [[outer space]] produced a cosmic musical symphony that he called the harmony of the spheres. He was one of the first people to realize that [[Venus]] seen as the morning star and Venus seen as the evening star were actually the same planet.