Abu Bakr Muhammad Ibn Zakariya Al-Razi was born at the Persian city of Ray near modern Tehran, Iran in c. 864 AD. It is said that early in his life Al-Razi was interested in singing and music besides other professions. Because of his eagerness for knowledge, he became more interested in the study of alchemy and chemistry, philosophy, logic, mathematics and physics. But it was the field of medicine that he spent most of his life, practicing it, studying and writing about it. Due to his fame in medicine he was appointed head of the physicians of the Ray Hospital, and later put in charge of the Baghdad main Hospital during the reign of the Adhud-Daulah.
Al-Razi was an iconoclastic cosmologist, who denied that any man had privileged access to intelligence, whether by nature or from nature. Al-Razi, who, though a theist, rejects prophecy on the ground that reason is sufficient to distinguish between good and evil and also that reason alone can enable us to know Allah. He also denies the miraculousness of the Koran and preferred scientific books to all sacred books.
Al-Razi is considered to have been the greatest physician of the Islamic world. With reference to his Greek predecessors, Al-Razi viewed himself as the Islamic version of Socrates in Philosophy, and Hippocrates in medicine.
Al-Razi was a prolific author, who has left monumental treatises on numerous subjects. He has more than two hundred outstanding scientific...