The term Ancient Greece refers to the period of History of Greece lasting from the Greek Dark Ages ca. 1100 BC and the Dorian invasion, to 146 BC and the Roman Republic conquest of Greece after the Battle of Corinth .... :
Eudoxus of Cnidus was a Ancient Greece astronomer, mathematician, scholar and student of Plato. Since all his own works are lost, our knowledge of him is obtained from secondary sources, such as Aratus's poem on astronomy.... (c. 408 BC – c.347 BC), Greek astronomer and mathematician.
Eudoxus of Cyzicus was a ethnic Greek navigator who explored the Arabian Sea for Ptolemy VIII Physcon, king of the Hellenistic civilization Ptolemaic dynasty in Egypt.... (fl. 130 BC), Greek navigator.