December 29, 1969 is the 50th anniversary of the death of Sir William Osler. He is remembered as a great clinician, teacher, scientist, medical reformer, medical writer, humanist, and personality,1,2 and often referred to as the "Father of American Medicine." He was the author of the leading textbook, Principles and Practice of Medicine, during his lifetime, as well as a thousand or more medical articles. However, it is often forgotten that he, Abraham Jacobi, and L. Emmett Holt were the founders of pediatrics in this country, and that he was one of the original members of the American Pediatric Society, and its fourth president.
Ten percent of his bibliography was pediatric,3 and when he was Regius Professor of Medicine at Oxford, he spent more of his time on the children's wards of the Radcliffe Infirmary than on the adult services.
But in addition to his contributions to the