Callippus (/ kəˈlɪp.əs /; Ancient Greek: Κάλλιππος, romanized: Kallippos; c. 370 BC – c. 300 BC) was a Greek astronomer and mathematician. Callippus was born at Cyzicus, and studied under Eudoxus of Cnidus at the Academy of Plato.

Callippus of Cyzicus (c. 370–300 bce) was perhaps the foremost astronomer of his day. He formed what has been called the Callippic period, essentially a cycle of four Metonic periods. It was more accurate than the original Metonic cycle and made use…

Callippus of Cyzicus (c. 370 - 300 BC) was perhaps the foremost astronomer of his day. He formed what has been called the Callippic period, essentially a cycle of four Metonic periods. It was more accurate than the original Metonic cycle and made use of the fact that 365. 25 days is a more precise value for the tropical year than 365 days.

Callippus (/ k ə ˈ l ɪ p. ə s /; Ancient Greek: Κάλλιππος Συρακούσιος) was a tyrant of Syracuse, Magna Graecia, who ruled briefly for thirteen months [1] from 354 to 352 BC. He was a native Athenian , who traveled with Dion to Sicily to capture Syracuse, where Dion became the tyrant.

Callippus / k ə ˈ l ɪ p. ə s / may refer to: Callippus of Syracuse (died 352/51 BC), an Athenian student of Plato and tyrant of Syracuse; Callippus (Calippus of Cyzicus, c. 370–300 BC), a Greek astronomer and mathematician; Callippus of Athens (fl. 279 BC), an Athenian commander in the Battle of Thermopylae (279 BC) Calippus (crater), a ...

Callippus (b. Cyzicus, Turkey, ca. 370 b. c.), mathematics, astronomy. One of the great astronomers of ancient Greece, Callippus belonged to the distinguished line of mathematicians and astronomers who, with Eudoxus at their head, …

Greek Astronomer and Mathematician. C allipus is famous for refining the planetary theory of Eudoxus by adding additional spheres. He also made accurate determinations of the lengths of the seasons and constructed a 76-year period to more accurately align the solar and lunar cycles.

Callippus (RE 22), astronomer (fl. 330 BCE), went with Polemarchus (pupil of *Eudoxus (1)) from *Cyzicus to Athens, where he associated with Aristotle. He corrected Eudoxus’ theory of …

Callippus （ *Ka/llippos), historical. 1. Of Athens, was a disciple of Plato, and thus became acquainted with Dion of Syracuse, who was likewise among the pupils of Plato. When Dion afterwards returned to Syracuse, Callippus accompanied him, and was ever after treated by him with distinction and confidence.

Callippus (/kəˈlɪp.əs/; Ancient Greek: Κάλλιππος; c. 370 BC – c. 300 BC) was a Greek astronomer and mathematician. Biography. Callippus was born at Cyzicus, and studied under Eudoxus of Cnidus at the Academy of Plato. He also worked with Aristotle at the Lyceum, which means that he was active in Athens prior to Aristotle's death ...