Sir William Osler, also known as the Father of Modern Medicine, was a Canadian physician and one of the four founding professors of Johns Hopkins Hospital. He is credited with introducing the practice of clinical teaching and for his contributions to medical education. Galen of Pergamon was a prominent Greek physician, surgeon and philosopher in the Roman Empire. He was the author of several influential works on medicine and anatomy and is considered one of the most important figures in the history of medicine. A MEDIC is a person who practices medicine, typically a doctor or nurse. Finally, a VET is a veterinarian, a professional who treats diseases and injuries in animals. In summary, the term 'Briefly Physician' can refer to any of these four professionals: Sir William Osler, Galen of Pergamon, a MEDIC, or a VET.