Mathematician:Theon of Alexandria

Greek: Θέων.

Alexandrian mathematician and astronomer.

Best known for being the father of Hypatia of Alexandria.

His edition of Euclid's "Elements" was an authority until well into the 19th century.

Nationality
Alexandrian (a city in what is now Egypt).

History

 * Born: c. 335 C.E.
 * Died: c. 405 C.E.

Books and Papers

 * Produced an edition of Euclid's "Elements" (c. 364).
 * Produced a important commentary on Ptolemy's "Almagest" and "Handy Tables".