Who was Euclid?

Euclid (Εὐκλείδης) of Alexandria (fl. c. 300 BCE), was the author of many books of geometry, the most popular of which is the 13-volume Elements. Most of the biographical information we have about Euclid comes from the geometer Pappus of Alexandria (c. 290 – c. 350 CE), and from the neo-Platonic

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