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- Jabir ibn Aflah (1100, Seville, Spain - 1160, ? ) influential astronomer and mathematician
- Al-Jayyani (989, Cordoba, Spain - 1079, Jaen, Spain) mathematician and author
- Ibn Al-Jazzar (10th century, Qairwan, Tunis) influential 10th century physician and author
- Al-Jahiz (776, Basra, Iraq - 869, Basra, Iraq) historian, biologist and author
- Al-Jawhari, Abu Alabbas (ca. 800-860) mathematician
- Ibn Jubayr (1145, Valencia, Spain - 1217, Egypt) geographer, traveller and poet, known for his detailed travel journals
Read more about this topic: List Of Arab Scientists And Scholars