Al-Ḥanafī, ʿAlam Al-Dīn
Egyptian mathematician, astronomer, and engineer
ʿAlam al-Dīn al-Ḥanafī, (born 1178"treatise" href="https://www.merriam-webster.com/dictionary/treatise" data-type="MW">treatise on Euclid’s postulates, built water mills and fortifications on the Orontes River, and constructed the second-oldest existing Arabic celestial globe.
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