# Eudoxus of Cnidus

> Greek astronomer and mathematician (c.408–c.355 BC)

**Wikidata**: [Q185150](https://www.wikidata.org/wiki/Q185150)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Eudoxus_of_Cnidus)  
**Source**: https://4ort.xyz/entity/eudoxus-of-cnidus

## Summary
Eudoxus of Cnidus was a Greek astronomer and mathematician (c.408–c.355 BC) who made significant contributions to the fields of mathematics and astronomy. He is best known for developing the Kampyle of Eudoxus, an algebraic curve, and for his work in the Doric hexapolis, a federation of six cities in Asia Minor.

## Biography
- Born: c.408 BC, Cnidus (modern-day Turkey)
- Nationality: Greek
- Education: Unknown (no details provided)
- Known for: Developing the Kampyle of Eudoxus and contributing to early astronomical models
- Employer(s): Doric hexapolis (federation of six cities)
- Field(s): Mathematics, astronomy

## Contributions
Eudoxus of Cnidus is credited with the invention of the Kampyle of Eudoxus, an algebraic curve, which became a foundational concept in mathematics. His work in astronomy, though less documented, likely influenced early models of celestial mechanics. Additionally, his association with the Doric hexapolis suggests he played a role in the intellectual and political life of the region during his time.

## FAQs
**What was Eudoxus of Cnidus known for?**
Eudoxus of Cnidus is known for his contributions to mathematics, particularly the invention of the Kampyle of Eudoxus, and his work in astronomy. He was also associated with the Doric hexapolis, a federation of six cities in Asia Minor.

**Where did Eudoxus of Cnidus work?**
Eudoxus of Cnidus was affiliated with the Doric hexapolis, a federation of six cities in Asia Minor, where he likely contributed to both intellectual and political matters.

**What is the Kampyle of Eudoxus?**
The Kampyle of Eudoxus is an algebraic curve invented by Eudoxus, which became a significant concept in early mathematical studies.

## Why They Matter
Eudoxus of Cnidus is significant for his contributions to mathematics and astronomy, particularly the development of the Kampyle of Eudoxus. His work laid the groundwork for later advancements in these fields. Additionally, his association with the Doric hexapolis highlights his role in the intellectual and political life of ancient Greece. His legacy continues to influence scholars studying the history of mathematics and astronomy.

## Notable For
- Inventor of the Kampyle of Eudoxus, an algebraic curve
- Associated with the Doric hexapolis, a federation of six cities in Asia Minor
- Contributed to early astronomical models

## Body
### Early Life and Background
Eudoxus of Cnidus was born around 408 BC in Cnidus, a city in ancient Lycia (modern-day Turkey). Little is known about his early life or education, but his later contributions suggest a deep engagement with mathematics and astronomy.

### Intellectual Contributions
Eudoxus is best known for his invention of the Kampyle of Eudoxus, an algebraic curve that became a foundational concept in mathematics. His work in astronomy, though less documented, likely influenced early models of celestial mechanics. The Kampyle of Eudoxus remains a notable example of his mathematical prowess.

### Association with the Doric Hexapolis
Eudoxus was affiliated with the Doric hexapolis, a federation of six cities in Asia Minor. This association suggests he played a role in the intellectual and political life of the region during his time. The Doric hexapolis was a significant cultural and political entity in ancient Greece, and Eudoxus's involvement highlights his broader contributions to the region.

### Legacy and Influence
Eudoxus of Cnidus's legacy lies in his mathematical and astronomical contributions, particularly the Kampyle of Eudoxus. His work laid the groundwork for later advancements in these fields. Additionally, his association with the Doric hexapolis underscores his role in the intellectual and political life of ancient Greece. His influence continues to be studied by scholars in the history of mathematics and astronomy.

## References

1. Genealogics
2. Aischines 9 (Pauly-Wissowa)
3. International Standard Name Identifier
4. A Short History of Astronomy
5. MacTutor History of Mathematics archive
6. Dictionnaire des philosophes antiques III
7. Freebase Data Dumps. 2013
8. Source
9. Virtual International Authority File
10. Treccani's Enciclopedia on line
11. Enciclopedia Treccani
12. LIBRIS. 2012
13. HMML Authority File