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Nasir al-Din al-Tusi

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

Nasir al-Din al-Tusi (1201–1274) was a Persian astronomer, mathematician, and philosopher of the Islamic Golden Age who built the Maragheh observator…

Timeline

  1. 1201–1256Tus · KhurasanBorn in Tus, Khurasan, he studied under Persian scholars, writing on logic, ethics, astronomy, and mathematics, and served in the library of the Ismaili fortress of Alamut.
  2. 1256–1261Maragheh · East AzerbaijanAfter Hulegu Khan conquered Alamut he recruited Tusi into his service; Tusi chose a site at Maragheh to build an observatory, recruiting astronomers and instrument craftsmen from Syria, China, and elsewhere.
  3. 1261–1274Maragheh · East AzerbaijanAfter the observatory was completed around 1259, Tusi led his team in continuous observations and compiled the Zij-i Ilkhani, improving planetary models and trigonometric methods, making it the most important astronomical research center in the Islamic world at the time.

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