Ab[Formula: see text] Man[Formula: see text][Formula: see text]r ῌasan Qamarī: Promoter of the Medical School of Rāzī (Rhazes).

The medical history of Iran and Islam is marked by the presence of renowned physicians, some of whom are not well known outside Iran. Ab[Formula: see text] Man⋅[Formula: see text]r ῌasan ibn N[Formula: see text]ḥ Qamarī Bukhārā 'ī was an Iranian physician living in the fourth century AH (10th century CE). The scientific works of this sage indicate his skill and expertise in medical science. He was a man of such scientific stature that the renowned Iranian philosopher and physician, Avicenna, use may have been one of his disciples. Qamarī may be credited as one of the promoters of the medical school of Muḥammad Ibn Zakarīyyā Rāzī. Some of his works, including Al-Tanwīr Fī 'Isṭilāḥāt Al-Ṭibbīyyah and Al-Ghinā and Al-Munā are still extant. In this paper, his scientific life and works, based on primary sources, have been studied in order to shed light on his role in formation of the Muslim Medical School.