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ALei623
انگلیسی
al-Kharaqī, Abū Bakr - Encyclopaedia of Islam, THREE
[Article]
Langermann, Y. Tzvi
Leiden
Brill
(772 words)
Bahāʾ al-Dīn Abū Bakr Muḥammad b. Aḥmad al-Kharaqī (d. 553/1158-9) was a mathematician, astronomer, and well-rounded scholar of Persian origin, probably from Kharaq (or Khiraq), near Marw, to which city he was summoned by the Khwārazmshāh (either Quṭb al-Dīn Muḥammad, r. 490-521/1097-1127, or his son Atsïz, r. 521-51/1127-56). Ghalandari has established that he died in 553/1158-9; he has been confused or identified with a contemporary, Shams al-Dīn al-Kharaqī (d. 533/1138-9). Al-Kharaqī
Encyclopaedia of Islam, THREE
9789004356665
Islam.
Langermann, Y. Tzvi
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