Skilled in a variety of sciences including history and geography,

medicine. His writings earned him great fame and made him very

influential in medieval Western Europe.6

His Kitab al-adwiya al-mufrada (Treatise on Simple Drugs)

was translated into Greek, Latin and Hebrew, and was frequently

copied. Through its Latin translation by Constantine the African,

under the title Liber de gradibus, it become one of the most

popular pharmacopeia in the Latin West. His '[ibb al-fuqara' wa-

al-masakln (Medicine for the Poor)? represents a literary genre

which was especially popular during the Middle Ages, when it

was practised by different authors, as, for instance, al-Raz18 and

Peter of Spain.9