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Abū Saʿīd al-Jurjānī
(413 words)

Abū Saʿīd al-Jurjānī, Muḥammad b. ʿAlī Ḍarīr, was a Persian mathematician and astronomer. There is no information available on his biography. Sezgin argues that he probably lived around the 3rd/9th century (Sezgin, 5/263); however, Hogendijk (p. 47) discounts this and argues, based on al-Jurjānī's mention of the 4th/10th century scholar Abū ʿAbd Allāh al-Shannī, that he must have flourished around 390/1000. Following Flügel (p. 147), and without referring to any pri…

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Dianat, Abu'l Hasan and Translated by Daryoush Mohammad Poor, “Abū Saʿīd al-Jurjānī”, in: Encyclopaedia Islamica, Editors-in-Chief: Farhad Daftary. Consulted online on 03 June 2023 <http://dx.doi.org/10.1163/1875-9831_isla_COM_0134>
First published online: 2015

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