Theodosius of Bithynia

Theodosius of Bithynia was a Hellenistic astronomer and mathematician from Bithynia who wrote the Spherics, a treatise about spherical geometry, as well as several other books on mathematics and astronomy, of which two survive, On Habitations and On Days and Nights.

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

Who was born first?

• Theodosius of Bithynia was born 10 years before Zeno of Sidon
• Theodosius of Bithynia was born 10 years before Acharya Pingala
• Theodosius of Bithynia was born 15 years before Sima Qian
• Theodosius of Bithynia was born 30 years after Seleucus of Seleucia
• Theodosius of Bithynia was born 30 years after Hipparchus

Timeline

1. Hipparchuscirca 190 BC – circa 120 BC
2. Seleucus of Seleucia190s BC – 2nd century BC
3. Theodosius of Bithynia (this page)circa 160 BC – circa 90 BC
4. Acharya Pingala150 BC–AD 67
5. Zeno of Sidon150 BC – circa 70 BC
6. Sima Qian145–86 BC

Related

• Isaac NewtonDecember 25, 1642 – March 20, 1727
• Johann Wolfgang von GoetheAugust 28, 1749 – March 22, 1832
• Immanuel KantApril 22, 1724 – February 12, 1804
• René DescartesMarch 31, 1596 – February 11, 1650
• Marie CurieNovember 7, 1867 – July 4, 1934
• Nicolaus CopernicusFebruary 19, 1473 – May 24, 1543
• Louis PasteurDecember 27, 1822 – September 28, 1895
• Gottfried Wilhelm LeibnizJune 21, 1646 – November 14, 1716