 He also gave much time to research and made valuable contributions to the solution of problems raised by the Piltdown skull and Rhodesian remains in the British Museum.Hunter returned to Australia by way of the United States and Canada and stayed long enough to give some lectures.The Challis Professorship of Anatomy had, in the meantime, been kept open for him, and he was appointed to that position in December 1922, a few weeks before he reached the age of 25.