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Message * Iranian astronomers Persian astronomers, Alhazen, Omar Khayyám, Khalid Ben Abdulmelik, Abū Rayḥān al-Bīrūnī, Muḥammad ibn Mūsā al-Khwārizmī, Nasir al-Din al-Tusi, Jamshīd al-Kāshī, Ali Qushji, Banū Mūsā - 1157857248 - 9781157857242