Mathematician:Thabit ibn Qurra

Mathematician
Sabian mathematician, physician, astronomer, and translator who lived in Baghdad in the second half of the ninth century during the time of Abbasid Caliphate.

Made important discoveries in algebra, geometry, and astronomy.

One of the first reformers of the Ptolemaic system in Astronomy.

A founder of the discipline of statics.

Nationality
Assyrian

History

 * Born: 836 in Harran, Mesopotamia (now Turkey)
 * Died: 18 February 901 in Baghdad, (now in Iraq)

Theorems and Definitions

 * Thabit Number
 * Thabit Pair
 * Thabit's Rule

Publications

 * On the Sector-Figure which deals with Menelaus' Theorem
 * On the Composition of Ratios


 * Translated from Greek into Arabic works by:


 * Revised the translation of of.


 * Rewrote 's translation of 's
 * Translated 's Geography.


 * Translated of a work by which gave a construction of a regular heptagon. This was discovered in the 20th century, the original having been lost.

Also known as
Full name: Al-Ṣābiʾ Thābit ibn Qurra al-Ḥarrānī.

In Arabic: ثابت بن قرة‎‎

In Latin: Thebit, Thebith or Tebit.