 On 7 May 1924, the University of Sydney conferred the degree of Doctor of Medicine with First-Class Honours on Hunter, and he also received the University Medal and the Ethel Talbot Prize.In March Dr William J. Mayo and other representatives of the American College of Surgeons visited Australia, and were so impressed with the work of Drs.Royle and Hunter that they invited them to deliver the Dr John B. Murphy oration in surgery at New York in October 1924.