About William Osler:
Sir William Osler, 1st Baronet was a Canadian physician and one of the four founding professors of Johns Hopkins Hospital. Osler created the first residency program for specialty training of physicians, and he was the first to bring medical students out of the lecture hall for bedside clinical training. He has frequently been described as the "Father of Modern Medicine". Osler was a person of many interests, who in addition to being a physician, was a bibliophile, historian, author, and renowned practical joker.
Variability is the law of life, and as no two faces are the same, so no two bodies are alike, and no two individuals react alike and behave alike under the abnormal conditions which we know as disease.William Osler