Translation of Euclid's Elements, Translation of Ptolemy's Almagest
Abū Yaʿqūb Isḥāq ibn Ḥunayn (Arabic: إسحاق بن حنين) (c. 830 Baghdad, – c. 910-1) was an influential Arabphysician and translator, known for writing the first biography of physicians in the Arabic language. He is also known for his translations of Euclid's Elements and Ptolemy's Almagest. He is the son of the famous translator Hunayn Ibn Ishaq.