Taqī al-Dīn Abū Bakr Muḥammad ibn Zayn al-Dīn Ma`rūf al-Dimashqī al-Ḥanafī. It is probable that Taqī al-Dīn’s teacher in mathematics was Shihāb al-Dīn al-Ghazzī while the one in astronomy was Muḥammad ibn Abī al-Fatḥ al-Ṣūfī. [Fazlioglu]