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- Haly Abenragel (Abû l-Hasan 'Alî ibn Abî l-Rijâl) (? - 1037, Kairouan, Tunisia) astrologer, best known for his Kitāb al-bāri' fi akhām an-nujūm
- Ibn Hawqal (943, Baghdad,Iraq - 969,? ) writer, geographer, and chronicler
- Hassan Hanafi (born 1935 in Cairo, Egypt) professor and chair of philosophy at Cairo University
- Al-Hajjāj ibn Yūsuf ibn Matar (786 – 833) mathematician
- Jabir ibn Hayyan 722 - 804 chemist
- Abū Muhammad al-Hasan al-Hamdānī (893, Yemen - 945, Sanaa, Yemen) geographer, historian and astronomer
- Ibn Hubal (1122, Baghdad, Iraq - 1213) physician, scientist and author of a medical compendium
Read more about this topic: List Of Arab Scientists And Scholars