Al-Razi (Physician)

Al-Razi, also known as Rhazes, was a prominent Persian physician and scholar in the 9th and 10th centuries. He is best known for his groundbreaking work in medicine, particularly in the field of clinical observation and the classification of diseases. Al-Razi emphasized the importance of diagnosis and was among the first to differentiate between smallpox and measles. His influential writings, including "Kitab al-Hawi," compiled medical knowledge and techniques, laying the groundwork for future medical practice. Al-Razi's contributions to medicine also extended to chemistry and philosophy, making him a key figure in the history of science.