Eudoxus of Cnidus: Biography, Achievements & Lasting Legacy

By Geniuses.Club Editorial Team | August 02, 2026 | 0408–355
Portrait of Eudoxus of Cnidus
Eudoxus of Cnidus

Who Was Eudoxus of Cnidus?

Eudoxus of Cnidus (; Ancient Greek: Εὔδοξος ὁ Κνίδιος, Eúdoxos ho Knídios; c. 390 – c. 340 BC) was an ancient Greek astronomer, mathematician, doctor, and lawmaker. He was a student of Archytas and Plato. All of his original works are lost, though some fragments are preserved in Hipparchus's Commentaries on the Phenomena of Aratus and Eudoxus. Spherics by Theodosius of Bithynia may be based on a work by Eudoxus.

Key Facts

Legacy and Impact

The influence of Eudoxus of Cnidus extends far beyond his own lifetime. He fundamentally shaped the foundations of modern mathematics, and his theorems and mathematical frameworks remain foundational to this day.

Though he passed away in 355, his ideas continue to be studied, debated, and built upon by scholars and practitioners worldwide.

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