Portrait of Abraham Jacobi, signed, "Yours continually, A. Jacobi", printed on leaflet paper. Dr. Abraham Jacobi, Clinical Professor of the Diseases of Children, 1867-1870. Dr. Jacobi was the first director of this specialty at Bellevue and is known as the "father of American pediatrics". He made many important contributions to the literature of his field and was twice president of the American Pediatrics Association.