Born on 1099 Died on 1100
Al-Idrisi was a noteworthy and original geographer. He used in a creative way the system of cylindrical projection of the Earth's surface, which was to be claimed some centuries later, in 1569, by the Flemish Gerard Mercator. Al-Idrisi's other merit, according to Udovitch is the extensive informatio...
Born on 1050 Died on 1110
Abu Hatim al-Muzaffar b. Isma’il al-Isfizari was a mathematician and mechanician who flourished in Khurasan (north-east Iran).
Born on 718 Died on 791
Al-Khalīl ibn Aḥmad, in full Abū ʿAbd al-Raḥmān al-Khalīl ibn Aḥmad al-Farāhīdī al-Azdī (born c. 718, Oman—died c. 791, Basra, Iraq) was an Arab philologist who compiled the first Arabic dictionary and is credited with the formulation of the rules of Arabic prosody. Wh...