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'sTarikh al-Hukama as Anibun (أنبون, anibūn),[a] and
al-Nadim'sFihrist.[b][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]
Bladel, Kevin van (2008). "Abiyūn al-biṭrīq". In Keyser, Paul T.; Irby-Massie, Georgia L. (eds.). The encyclopedia of ancient natural scientists the Greek tradition and its many heirs. London: Routledge. p. 30.
ISBN978-0-203-46273-7.
Flügel, Gustav, ed. (1871). Kitâb al-Fihrist; Mit anmerkungen herausgegeben (in German and Arabic). Vol. 1. Leipzig: Berlag von F.C.W. Vogel.
Lippert, Julius, ed. (1903). Ibn al-Qifṭī's Ta'rīḫ al-Ḥukamā' (in German and Arabic). Leipzig: Dieterichsche Verlagsbuchhandlung.
Sezgin, Fuat (1978). Geschichte des arabischen Schrifttums (in German). Vol. 6. Leiden: Brill. p. 103.
ISBN90-04-05878-8.