Callippus of Cyzicus
about 370 BC - about 310 BC | |||||||||
Callippus was a Greek astronomer who made accurate determinations of the lengths of the seasons and constructed a calendarused by all later astronomers. | |||||||||
| Full MacTutor biography | [Version for printing] | ||||||||
| List of References (6 books/articles)
Mathematicians born in the same country
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JOC/EFR © April 1999
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