ṬUSI, NAṢIR-AL-DIN i. Biography

A new addition to the Encyclopaedia Iranica

Abu Jaʿfar Moḥammad Ḵᵛāja Naṣir-al-Din Ṭusi (b. Ṭus, 11 Jomādā I 597/17 February 1201; d. Baghdad, 18 Ḏu’l-Ḥejja 672/25 June 1274), was a philosopher, physician, astronomer, vizier of the founder of the Il-Khanid dynasty, Hulāgu (Hülegü) Khan (r. 1256-65), and the chronographer of the succeeding Il-Khan, Abaqa (r. 1265-82).