Muhammad ibn Zakariya al-Razi (865-925 AD), Persian polymath. A prominent figure in Islamic Golden Age, physician, alchemist, chemist, philosopher, and scholar. Razi made fundamental and enduring contributions to the fields of medicine, alchemy, music, and philosophy, recorded in over 200 books and articles in various fields of science. He was well-versed in Persian, Greek and Indian medical knowledge and made numerous advances in medicine through own observations and discoveries. he was an early proponent of experimental medicine and has been described as the father of pediatrics for writing The Diseases of Children, the first book to deal with pediatrics as an independent field of medicine. He was also a pioneer of ophthalmology. He was the first physician to distinguish smallpox and measles. He became chief physician of Rey and Baghdad hospitals. He is known for having discovered allergic asthma, and was the first physician ever to write articles |