Hippocrates (460 BC – 370 BC) Greek. He is not only the creator of medicine, has good medical talent, and good professional ethics, but is also considered the author of the famous Hippocratic Oath that every doctor must follow. Medical practice must be based on observation and study of the human body, and on the belief that illness is due to a cause that can be understood, and not due to supernatural powers or the patient’s own fault. dare to have sinful thoughts or blaspheme contemporary gods. He was also the founder of the Hippocratic School of Medicine. He is considered the father of medicine.