Sources Used by Rhazes in Compiling the Al-Hawi

“Al-Hawi” (The Continents) written by the famous Persian polymath scientist Rhazes, hasbeen carefully studied in order to enlighten the contribution Iran has played in thedevelopment of medical science. Two hundred and eighty six sources including referencesto 112 scholars were investigated. From this list, a total of 20 books and references to 38scholars have been recorded with mistaken identity in the literature. In this paper,biographical data of these scientists have been scrutinized with the anticipation to provide a reliable guide for further studies.