Al-Qabisi

Abu al-Saqr Abd al-Aziz ibn Uthman ibn Ali al-Qabisi, generally known as Al-Qabisi,, and sometimes known as Alchabiz, Abdelazys, Abdilaziz, was a Arab Muslim astrologer, astronomer, and mathematician.

Source: Wikipedia

Text is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply.