Menelaus of Alexandria (70–140)

Born 70 CE, died 140 CE.

Menelaus of Alexandria (; Ancient Greek: Μενέλαος ὁ Ἀλεξανδρεύς, Menelaos ho Alexandreus; fl. 100 CE) was a Greek mathematician and astronomer, the first to recognize geodesics on a curved surface as natural analogs of straight lines.

Text from the Wikipedia article Menelaus_of_Alexandria, licensed CC BY-SA 4.0.

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