الخلاصة:
The purpose of this research paper is to confirm and prove that Muslim scholars, during the flourishing of Islamic civilization, had an original contribution to various branches of human knowledge, in philosophy, history, medicine and chemistry, by authoring, translating, commenting and explanations, so that civilization witnessed an unparalleled scientific movement, especially in the era. The Abbasids in the time of Harun al-Rashid and the establishment of between al-Hikma in Baghdad, and instead we respond to the plots of some orientalists who tried to deny the merit of civilization over other human civilizations.