Ibrahim ibn Sinan

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Ibrahim ibn Sinan ibn Thabit ibn Qurra (908, Baghdad – 946, Baghdad) was an Arab mathematician and astronomer who studied geometry and in particular tangents to circles. He also made advances in the theory of integration. He is often referenced as one of the most important mathematicians in the medieval Islamic world.

[edit] See also

• List of Arab scientists and scholars.

[edit] References

• O'Connor, John J. & Robertson, Edmund F., “Ibrahim ibn Sinan ibn Thabit ibn Qurra”, MacTutor History of Mathematics archive 
• 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.  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.

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