Oenopides of Chios (; born c. 490 BCE) was an ancient Greek geometer, astronomer and mathematician, who lived around 450 BCE.
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Oenopides of Chios (; born c. 490 BCE) was an ancient Greek geometer, astronomer and mathematician, who lived around 450 BCE.
== Biography == The only fact about the early life of Oenopides is his birthplace on the island of Chios. According to Proclus, he was a little younger than Anaxagoras, which puts his birth to around 490 BCE. Some believe he spent time in Athens, although there is little evidence for it. Plato mentions him in his Rivals, but this only proves word of his discoveries had reached Athens, perhaps through Hippocrates of Chios. The historian Diodorus Siculus tells us Oenopides received his education in Egypt from the priests just as other legendary Greek astronomers and geometers had done. Most scholars believe stories of travels are fabricated.
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