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Qutb al-Din al-Shirazi



Qutb al-Din al-Shirazi (1236 - 1311) was a 13th century Persian Astronomer from Shiraz, Iran. He and his master Nasir al-Din Tusi critiqued the Almagest of Ptolemy. He also continued the optical studies of Alhazen. It was Qutb al Din who gave a first correct explanation of the formation of the rainbow. ==See also== * List of Iranian scientists Iranian scientists


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