Thābit ibn Qurra

Thābit ibn Qurra
Born210-211 AH/220-221 AH / 826 or 836 AD
Harran, the Jazira (Upper Mesopotamia) (now in Şanlıurfa Province)
DiedWednesday, 26 Safar, 288 AH / February 19, 901 AD
Baghdad, Lower Mesopotamia
Academic background
InfluencesBanu Musa, Archimedes, Apollonius, Nicomachus, Euclid
Academic work
EraIslamic Golden Age
Main interests
Mathematics, Mechanics, Astronomy, Astrology, Translation, Number theory
Notable ideas
  • Early reformer of the Ptolemaic system
  • A founder of statics
  • Length of the sidereal year
Influencedal-Khazini, al-Isfizari, Na'im ibn Musa

Thābit ibn Qurra (full name: Abū al-Ḥasan Ṯābit ibn Qurra ibn Zahrūn al-Ḥarrānī al-Ṣābiʾ, Arabic: أبو الحسن ثابت بن قرة بن زهرون الحراني الصابئ, Latin: Thebit/Thebith/Tebit; 826 or 836 – February 19, 901), was a scholar known for his work in mathematics, medicine, astronomy, and translation. He lived in Baghdad in the second half of the ninth century during the time of the Abbasid Caliphate.

Thābit ibn Qurra made important discoveries in algebra, geometry, and astronomy. In astronomy, Thābit is considered one of the first reformers of the Ptolemaic system, and in mechanics he was a founder of statics. Thābit also wrote extensively on medicine and produced philosophical treatises.