biography
pronunciation:
[eratostheneez]
| sex:
| male
|
| lived:
| (c.276–c.194 BC)
|
| biography:
| Greek astronomer and scholar, born in Cyrene. He became chief librarian at Alexandria, and is remembered for the first scientific calculation of the Earth's circumference, which was correct to within 80 km/50 mi. |
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