# Theaetetus

> Theaetetus of Athens, possibly the son of Euphronius of the Athenian deme Sunium, was a Greek mathematician. His principal contributions were on irrational lengths, which was included in Book X of Euclid's Elements and proving that there are precisely five regular convex polyhedra. A friend of Socrates and Plato, he is the central character in Plato's eponymous Socratic dialogue.

*Greek mathematician (c.417–c. 369 BCE)*

**Canonical URL:** https://fame.am/person/theaetetus

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Born:** -417
- **Died:** -369
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 51.8 / 100
- **Momentum:** 1.8 / 100  (trend: STABLE)
- **Historical depth:** 20.4 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 60.0 / 100
- **Profile completeness:** 45.0 / 100

## Sources
- [Теэтет Афинский](https://ru.wikipedia.org/wiki/%D0%A2%D0%B5%D1%8D%D1%82%D0%B5%D1%82_%D0%90%D1%84%D0%B8%D0%BD%D1%81%D0%BA%D0%B8%D0%B9)
- [ثياتيتوس (رياضياتي)](https://ar.wikipedia.org/wiki/%D8%AB%D9%8A%D8%A7%D8%AA%D9%8A%D8%AA%D9%88%D8%B3_(%D8%B1%D9%8A%D8%A7%D8%B6%D9%8A%D8%A7%D8%AA%D9%8A))
- [ثايتوس](https://arz.wikipedia.org/wiki/%D8%AB%D8%A7%D9%8A%D8%AA%D9%88%D8%B3)
- [Afinalı Teetet](https://az.wikipedia.org/wiki/Afinal%C4%B1_Teetet)
- [Teetet d'Atenes](https://ca.wikipedia.org/wiki/Teetet_d'Atenes)
- [Theaitétos z Athén](https://cs.wikipedia.org/wiki/Theait%C3%A9tos_z_Ath%C3%A9n)
- [Theaitetos (Mathematiker)](https://de.wikipedia.org/wiki/Theaitetos_(Mathematiker))
- [Θεαίτητος (μαθηματικός)](https://el.wikipedia.org/wiki/%CE%98%CE%B5%CE%B1%CE%AF%CF%84%CE%B7%CF%84%CE%BF%CF%82_(%CE%BC%CE%B1%CE%B8%CE%B7%CE%BC%CE%B1%CF%84%CE%B9%CE%BA%CF%8C%CF%82))
- [Theaetetus (mathematician)](https://en.wikipedia.org/wiki/Theaetetus_(mathematician))
- [Teeteto](https://eo.wikipedia.org/wiki/Teeteto)
- [Teeteto](https://es.wikipedia.org/wiki/Teeteto)
- [Theaitetos](https://et.wikipedia.org/wiki/Theaitetos)
- [تئائتتوس](https://fa.wikipedia.org/wiki/%D8%AA%D8%A6%D8%A7%D8%A6%D8%AA%D8%AA%D9%88%D8%B3)
- [Theaitetos](https://fi.wikipedia.org/wiki/Theaitetos)
- [Théétète d'Athènes](https://fr.wikipedia.org/wiki/Th%C3%A9%C3%A9t%C3%A8te_d'Ath%C3%A8nes)
- [Teeteto](https://gl.wikipedia.org/wiki/Teeteto)
- [Theaetetus (masanin lissafi)](https://ha.wikipedia.org/wiki/Theaetetus_(masanin_lissafi))
- [תאיטטוס (מתמטיקאי)](https://he.wikipedia.org/wiki/%D7%AA%D7%90%D7%99%D7%98%D7%98%D7%95%D7%A1_(%D7%9E%D7%AA%D7%9E%D7%98%D7%99%D7%A7%D7%90%D7%99))
- [Theaitetos](https://id.wikipedia.org/wiki/Theaitetos)
- [Teeteto (matematico)](https://it.wikipedia.org/wiki/Teeteto_(matematico))
- [テアイテトス (数学者)](https://ja.wikipedia.org/wiki/%E3%83%86%E3%82%A2%E3%82%A4%E3%83%86%E3%83%88%E3%82%B9_(%E6%95%B0%E5%AD%A6%E8%80%85))
- [ტეატეტუს ათონელი](https://ka.wikipedia.org/wiki/%E1%83%A2%E1%83%94%E1%83%90%E1%83%A2%E1%83%94%E1%83%A2%E1%83%A3%E1%83%A1_%E1%83%90%E1%83%97%E1%83%9D%E1%83%9C%E1%83%94%E1%83%9A%E1%83%98)
- [Theaetetus](https://la.wikipedia.org/wiki/Theaetetus)
- [Theaetetus (wiskundige)](https://nl.wikipedia.org/wiki/Theaetetus_(wiskundige))
- [Teajtet](https://pl.wikipedia.org/wiki/Teajtet)
- [Wikidata](https://www.wikidata.org/wiki/Q920912)

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