Theon of Smyrna (70–135)
Born 70 CE, died 135 CE.
Theon of Smyrna (Greek: Θέων ὁ Σμυρναῖος Theon ho Smyrnaios, gen. Θέωνος Theonos; fl. 100 CE) was a Greek philosopher and mathematician, whose works were strongly influenced by the Pythagorean school of thought. His surviving On Mathematics Useful for the Understanding of Plato is an introductory survey of Greek mathematics.
Text from the Wikipedia article Theon_of_Smyrna, licensed CC BY-SA 4.0.