Mohammed ibn Abdun al-Jabali

Abu Abd Allah Mohammed ibn Abdun al-Jabali al-Adadi was a physician and mathematician from Al-Andalus. He is the author of Risala fi al-Taksir, the oldest remaining mathematical text from Al-Andalus. He travelled to the learning centers in the East in the years after 958 C.E. He stayed in Basra and visited al-Fustat, Egypt where he was put in charge of the hospital. Ibn Abdun studied the ideas of Abu Sulayman Sijistani and according to one source he met him personally in Basra. He returned to Cordoba in 971 C.E.. He entered the service of the Caliph al-Mustansir and his son Hisham II al-Mu'ayad. Ibn Abdun was the teacher of Ibn al-Kattani.