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- Callippus (or Calippus) (ca. 370 BC-ca. 300 BC) was a Greek astronomer and mathematician. He was born at Cyzicus, and studied under Eudoxus of...
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- Calippus was a tyrant of Syracuse who ruled briefly for thirteen months from 354 to 352 BC. He was a native Athenian, who traveled with Dion to...
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