Abu Bakr al-Razi

10th-century Iranian physician and polymath

Abū Bakr al-Rāzī, also known as Rhazes (full name: أبو بکر محمد بن زکریاء الرازي, Abū Bakr Muḥammad ibn Zakariyyāʾ al-Rāzī, 864 or 865 – 925 or 935 CE), was a Persian Muslim physician, philosopher, alchemist, and pre-eminent medical writer of the Islamic Golden Age, widely regarded as one of the most important figures in the history of medicine. In addition to medicine and philosophy, he wrote on logic, astronomy, and grammar. Al-Rāzī studied medicine in Baghdad, where he spent much of his career, and became a successful physician who served as chief physician of hospitals in Baghdad and Ray.

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