Taqī al-Dīn Abū Bakr Muḥammad ibn Zayn al-Dīn Maҁrūf al-Dimashqī al-Ḥanafī
Born Damascus, (Syria), 14 June 1526
Died Istanbul, (Turkey), 1585
Taqī al-Dīn was the founder and the director of the Istanbul Observatory and worked in the fields of mathematics, astronomy, optics, and mechanics. He made various astronomical instruments and was the first astronomer to use an automatic-mechanical clock for his astronomical observations. He advanced the arithmetic of decimal fractions and used them in the calculation of astronomical tables.
Taqī al-Din began his studies, as was normal, with the basic religious sciences and Arabic. Later on, he continued his religious studies and studied the mathematical sciences with scholars in Damascus and Egypt, including most significantly his father. It is probable that Taqī al-Dīn’s teacher in mathematics was Shihāb al-Dīn al-Ghazzī whereas the one in astronomy was Muḥammad ibn Abī al-Fatḥ al-Ṣūfī. Taqī al-Dīn himself states in several of the forewords to his books that he was particularly interested in the mathematical...
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