Description
Abu Jacfar Muhammad b. Muhammad b. al-Ijlasan Nasir al-Din al-Tusi was born on Saturday (at dawn according to Ridawil), 11 Jumada I, 597 H./17 February 1201 A.D. in Tiis or its environsz and died in Baghdad (at sunset according to Bahrani3), 18 Dhii Hl~HIjjH 672 H./25 June 1274 A.D. In a remarkable century that began with the death of Chu Hsi and further witnessed the birth, death or both of such luminaries as Roger Bacon, Ibn °Arabi, Maimonides, Gregory Chioniades, Ibn Taymiyya, Thomas Aquinas and Levi ben Gerson, Tfisi’s breadth and depth of learning stand out.