← Explore on the interactive map

Nasir al-Din al-Tusi

Type Figure Region Persia Time 1201–1274 Also known as Nasir al-Din al-Tusi、Khaja Nasir、Nasir al-Din Muhammad ibn Muhammad al-Tusi

Persian astronomer, mathematician, philosopher, and statesman who served the Ismailis at Alamut in the 1220s, then directed the building of an observ…

Timeline

  1. 1201–1220Tus · KhurasanBorn in Tus, Khurasan, he studied scripture and mathematics in his early years, studying under renowned masters in Nishapur and elsewhere, laying foundations in astronomy, logic, and philosophy.
  2. 1220–1256Alamut · PersiaHe entered Alamut in the 1220s, holding a senior post in the library, writing works on ethics, logic, and astronomy, and continuing scholarly organization and intellectual writing even under the Mongol threat.
  3. 1259–1274Maragheh · AzerbaijanFrom 1259 he directed a large observatory at Maragheh, gathering scholars of various peoples to observe the heavens, completing the Ilkhanid Astronomical Tables and the Abridged Astronomical Tables, and innovating planetary models.

Sources