Mathematician:Geminus of Rhodes

Mathematician
Greek astronomer and mathematician about whom practically nothing is known.

Named the cissoid of Diocles after.

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

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 ' work On Meteorology
 * Doctrine, (or Theory) of Mathematics

Also known as
In Greek: Γεμῖνος ὁ Ῥόδιος