Mathematician:Geminus of Rhodes

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Mathematician

Greek astronomer and mathematician about whom practically nothing is known.

Named the cissoid of Diocles after Diocles of Carystus.

Gave a proof (incorrect) of Euclid's fifth postulate, the first on record.


A student (or later follower) of Posidonius.


Nationality

Greek


History

  • Born: about 10 BCE in (possibly) Rhodes, Greece
  • Died: about 60 CE

Possibly lived as much as 80 years before these dates.


Publications

  • Εἰσαγωγὴ εἰς τὰ Φαινόμενα ("Introduction to the Phenomena") (often referred to as the "Isagoge")


Lost (of which only fragments survive)

  • A commentary on Posidonius' work On Meteorology
  • Doctrine, (or Theory) of Mathematics


Also known as

In Greek: Γεμῖνος ὁ Ῥόδιος


Sources