one of the greatest physicians and encyclopedists in middle ages in europe was born in al-ahwaz (c.930) from old persian stock. ‘alī was moved to shīrāz at an early age and made his medical studies under a physician of this city, abū mahir mūsā ibn sayyar. he practised medicine in baghdad in mid – tenth century and served as physician to ‘adud al-dawla, to whom he dedicated his only composition...