MANS ̣ ū R IBN ‘ AL ī IBN ‘ IR ā Q, AB ū NAS ̣ R

( fl. . Knowarizm [now Kara-Kalpakskaya, A.S.S.R.]; d . Ghazna [?] [now Ghazni, Afghanistan], ca . 1036) mathematics, astronomy .

Ab ū Nas ̣ r was probably a native of G ī l ā n (Persia); it is likely that he belonged to the family of Ban ū ‘ Ir ā q who ruled Khwarizm until it fell to the Ma ’ m ū n ī dynasty in a.d. 995. He was a disciple of Abu ’ l Waf ā ’ al-B ū zj ā n ī and the teacher of al-B ī r ū n ī . Ab ū Na ̣ sr passed most of his life in the court of the monarchs ‘ Al ī ibn Ma ’ m ...