Ibrahim ibn Sinan

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Ibrahim ibn Sinan
Born 908
Baghdad, Abbasid Caliphate, now Iraq
Died 946 (aged 38)
Occupation Astronomer, mathematician
Era Medieval
  • Sinan ibn Thabit ibn Qurra (father)

Ibrahim ibn Sinan ibn Thābit ibn Qurra (born : 295-296 A.H/908 A.D in Baghdad, died : 334-335 A.H/ 946 A.D in Baghdad, aged 38) was a Syriac speaking Muslim from Harran in northern Mesopotamia/Assyria, the grandson of Thābit ibn Qurra.[1][2] He was mathematician and astronomer who studied geometry and in particular tangents to circles.[1][2] He also made advances in the quadrature of the parabola and the theory of integration, generalizing the work of Archimedes, which was unavailable at the time.[1][2] He is often referenced as one of the most important mathematicians of his time.[1]

See also[edit]


  1. ^ a b c d O'Connor, John J.; Robertson, Edmund F., "Ibrahim ibn Sinan ibn Thabit ibn Qurra", MacTutor History of Mathematics archive, University of St Andrews .
  2. ^ a b c Van Brummelen, Glen (2007). "Ibrāhīm ibn Sinān ibn Thābit ibn Qurra". In Thomas Hockey; et al. The Biographical Encyclopedia of Astronomers. New York: Springer. p. 574. ISBN 978-0-387-31022-0.  (PDF version)

Additional reading[edit]

  • Rashed, Roshdi (1996). Les Mathématiques Infinitésimales du IXe au XIe Siècle 1: Fondateurs et commentateurs: Banū Mūsā, Ibn Qurra, Ibn Sīnān, al-Khāzin, al-Qūhī, Ibn al-Samḥ, Ibn Hūd. London.  Reviews: Seyyed Hossein Nasr (1998) in Isis 89 (1) pp. 112-113; Charles Burnett (1998) in Bulletin of the School of Oriental and African Studies, University of London 61 (2) p. 406.
  • Rashed, Roshdi (2008) [1970-80]. "Ibrahim Ibn Sinan". Complete Dictionary of Scientific Biography. Encyclopedia.com.