Theodorus of Cyrene

465 BC - 398 BC

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Theodorus of Cyrene (Greek: Θεόδωρος ὁ Κυρηναῖος) was an ancient Greek mathematician who lived during the 5th century BC. The only first-hand accounts of him that survive are in three of Plato's dialogues: the Theaetetus, the Sophist, and the Statesman. Read more on Wikipedia

Since 2007, the English Wikipedia page of Theodorus of Cyrene has received more than 107,618 page views. His biography is available in 20 different languages on Wikipedia. Theodorus of Cyrene is the 209th most popular mathematician (up from 214th in 2019), the 17th most popular biography from Libya (down from 14th in 2019) and the most popular Libyan Mathematician.

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  • 1.81

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Among mathematicians, Theodorus of Cyrene ranks 209 out of 828Before him are Victor D'Hondt, Emil Artin, Édouard Lucas, S. R. Ranganathan, Giovanni Ceva, and Gilles de Roberval. After him are Sam Loyd, Seymour Papert, Ferdinand Georg Frobenius, Lars Ahlfors, Mary Jackson, and Paolo Ruffini.

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Among people born in 465 BC, Theodorus of Cyrene ranks 1 Among people deceased in 398 BC, Theodorus of Cyrene ranks 1

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In Libya

Among people born in Libya, Theodorus of Cyrene ranks 17 out of 59Before him are Khalifa Haftar (1943), Pope Victor I (100), Carneades (-214), Berenice II of Egypt (-267), Synesius (370), and Lorenzo Bandini (1935). After him are Rossana Podestà (1934), Hegesias of Cyrene (-400), Domitilla the Elder (50), Fayez al-Sarraj (1960), Abdurrahim El-Keib (1950), and Claudio Gentile (1953).


Among mathematicians born in Libya, Theodorus of Cyrene ranks 1After him are Theodosius of Bithynia (-160).