Abiyun_al-Bitriq
Abiyun al-Bitriq
7th-century astronomer
Abiyun al-Bitriq (Arabic: ابيون البطريق, abiyūn al-biṭrīq, fl. 630 CE[1]) was a mathematician and a maker of astronomical instruments at the beginnings of Islam.[2] He is mentioned in al-Qifti's Tarikh al-Hukama as Anibun (أنبون, anibūn),[lower-alpha 1] and al-Nadim's Fihrist.[lower-alpha 2][1] His name is not certain,[2] and it was probably Apion (Greek: Ἀπίων)[3] or Apion Patrikios (Greek: Ἀπίων Πατρίκιος).[1] He wrote a book, now lost, titled "On Operating the Planispherical Astrolabe" (Arabic: كتاب العمل بالاسطرلاب المسطح, kitāb al-ʿamal bi-l-asṭurlāb al-musaṭṭaḥ)[1][2]