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Nasir al-Din Tusi

Nasīr al-Dīn Tūsī
Al-Tusi Nasir.jpeg
Title Khawaja Nasir
Born 18 February 1201
Tus, Khorasan
Died 26 June 1274(1274-06-26) (aged 73) Al-Kadhimiya Mosque, Kadhimayn, Baghdad, Ilkhanate Empire
Ethnicity Persian
Era Islamic Golden Age
Region Persia
Religion Islam
Jurisprudence Twelver Shī‘ah
Creed Avicennism
Main interest(s) Ilm al-Kalam, Islamic Philosophy, Astronomy, Mathematics, Chemistry, Biology and Medicine, Physics, Science
Notable idea(s) Evolution, Spherical trigonometry, Tusi-couple
Notable work(s) Rawḍa-yi Taslīm, Tajrid al-'Aqaid,
Akhlaq-i-Nasri, Zij-i ilkhani,
al-Risalah al-Asturlabiyah,
Al-Tadhkirah fi'ilm al-hay'ah

Khawaja Muhammad ibn Muhammad ibn al-Hasan al-Tūsī (Persian: محمد بن محمد بن الحسن الطوسی‎‎) (born 18 February 1201 in Ṭūs, Khorasan – died on 26 June 1274 in al-Kāżimiyyah district of metropolitan Baghdad), better known as Nasīr al-Dīn Tūsī (Persian: نصیر الدین طوسی‎‎; or simply Tusi in the West), was a Persianpolymath, architect, philosopher, physician, scientist, theologian and Marja Taqleed. He was of the Twelver Shī‘ah Islamic belief. The Muslim scholar Ibn Khaldun (1332–1406) considered Tusi to be the greatest of the later Persian scholars.

Nasir al-Din Tusi was born in the city of Tus in medieval Khorasan (in north-eastern Iran) in the year 1201 and began his studies at an early age. In Hamadan and Tus he studied the Qur'an, Hadith, Shi'a jurisprudence, logic, philosophy, mathematics, medicine and astronomy.

He was apparently born into a Shī‘ah family and lost his father at a young age. Fulfilling the wish of his father, the young Muhammad took learning and scholarship very seriously and travelled far and wide to attend the lectures of renowned scholars and acquire the knowledge, an exercise highly encouraged in his Islamic faith. At a young age he moved to Nishapur to study philosophy under Farid al-Din Damad and mathematics under Muhammad Hasib. He met also Farid al-Din 'Attar, the legendary Sufi master who was later killed by Mongol invaders, and he attended the lectures of Qutb al-Din al-Misri.


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