Hipparchus

Hipparchus was a Greek astronomer, geographer, and mathematician. He is considered the founder of trigonometry, but is most famous for his incidental discovery of the precession of the equinoxes. Hipparchus was born in Nicaea, Bithynia, and probably died on the island of Rhodes, Greece.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Who was born first?

• Hipparchus and Seleucus of Seleucia were born the same year
• Hipparchus and Hypsicles were born the same year
• Hipparchus was born 30 years before Theodosius of Bithynia
• Hipparchus was born 40 years before Zeno of Sidon
• Hipparchus was born 40 years before Acharya Pingala

Timeline

1. Hipparchus (this page)circa 190 BC – circa 120 BC
2. Hypsiclescirca 190 BC – circa 120 BC
3. Seleucus of Seleucia190s BC – 2nd century BC
4. Theodosius of Bithyniacirca 160 BC – circa 90 BC
5. Acharya Pingala150 BC–AD 67
6. Zeno of Sidon150 BC – circa 70 BC

Related

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• Louis PasteurDecember 27, 1822 – September 28, 1895
• Carl Friedrich GaussApril 30, 1777 – February 23, 1855
• Dmitri MendeleevJanuary 27, 1834 – January 20, 1907
• Ernest RutherfordAugust 30, 1871 – October 19, 1937
• Erwin SchrödingerAugust 12, 1887 – January 4, 1961
• Wilhelm RöntgenMarch 27, 1845 – February 10, 1923
• Carl SaganNovember 9, 1934 – December 20, 1996