Geminus of Rhodos (9 BCE–60 CE)
Born 9 BCE, died 60 CE.
Geminus of Rhodes (Greek: Γεμῖνος ὁ Ῥόδιος) was a Greek astronomer and mathematician, who flourished in the 1st century BC. An astronomy work of his, the Introduction to the Phenomena, survives; it was intended as an introductory astronomy book for students. He also wrote a work on mathematics, of which only fragments quoted by later authors survive.
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