Badr al-Dīn ʿAbd al-Wājid (or Wāḥid) ibn Muḥammad ibn Muḥammad al-Ḥanafī (Persian: عبدالواجب حنفی; died 1434) was a 15th century astronomer. He was born in Mashhad, in modern Iran, and died in Kütahya, in modern Turkey, He taught in the Ottoman Demirkapi Madrasa, a school for astronomical observation and instruction. The Demirkapi madrasa was later renamed as the Wājidiyya Madrasa in his honour. Together with Qutb al-Din al-Shirazi, he brought the influence of the Maragheh observatory to Anatolia.
Works Sharḥ al-Mulakhkhaṣ fī al-hayʾa ("A commentary on the Compendium of Astronomy"), a commentary on the work by Jaghmīnī. The commentary was dedicated to Sultan Murād II. Sharḥ Sī faṣl, a commentary on Ṭūsī's Persian work of astronomy. Translated into Turkish by Ahmed-i Dāʿī. Maʿālim al-awqāt wa-sharḥuhu, a work in the use of astrolabe written in verse using 552 couplets. Dedicated to Muḥammad Shāh (d. 1406), the son of al-Fanārī (d. 1431).
References
Sources Topdemir, Hüseyin (2007). "Wābkanawī: Shams al-Munajjim [Shams al-Dīn] Muḥammad ibn ҁAlī Khwāja al-Wābkanawī [Wābkanawī]". In Hockey, Thomas; et al. (eds.). The Biographical Encyclopedia of Astronomers. Springer. pp. 1187–1188. doi:10.1007/978-0-387-30400-7_1433. ISBN 978-1-4419-9918-4. (PDF version)
Further reading Sayili, Aydin (1948). "The Wajidiyya Madrasa of Kutahya: A Turkish Medieval Observatory?". Belleten (in Turkish and English). 12: 655–677.