Encyclopaedia of Islam, First Edition (1913-1936)

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Ibn Yūnus
(372 words)

, whose full name was Abu ’l-Ḥasan ʿAlī b. ʿAbd al-Raḥmān b. Aḥmad b. Yūnus al-Ṣadafī al-Miṣrī, was according to al-Battānī and Abu ’l-Wafāʾ, probably the greatest Arab astronomer. His father, Abū Saʿīd ʿAbd al-Raḥmān b. Aḥmad also called Ibn Yūnus, was a notable historian and traditionist, and died in Cairo in 347 (958-9). The year of our astronomer’s birth is not known but he died in Cairo on the 3rd S̲h̲awwāl 399 (May 31, 1009); he is said to have been skilled in other branches of learning than astronomy and astrology and to have also been a good poet. Ibn Ḵh̲a…

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Suter, H., “Ibn Yūnus”, in: Encyclopaedia of Islam, First Edition (1913-1936), Edited by M. Th. Houtsma, T.W. Arnold, R. Basset, R. Hartmann. Consulted online on 28 March 2024 <http://dx.doi.org/10.1163/2214-871X_ei1_SIM_3085>
First published online: 2012
First print edition: ISBN: 9789004082656, 1913-1936



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