Morris was born in Australia in 1934 and after education at Xavier College, Melbourne, he was a medical student at St. Vincent's Hospital and the
University of Melbourne, graduating in 1957. He commenced his surgical training in Melbourne before moving to the UK and the US to complete his training. Morris returned to Melbourne in 1968 to the University of Melbourne's Department of Surgery, becoming Reader in Surgery in 1971. In 1973, at the age of 39, he was appointed to the Nuffield Chair of Surgery at the
University of Oxford. He held this post for 28 years before being elected as President of The
Royal College of Surgeons of England from 2001 to 2004. On arrival in Oxford he established the transplantation program at the Oxford Transplant Centre of which he was Director. He was also the co-founder with John Bell of the
Wellcome Trust Centre for Human Genetics. He served as Director of the Centre for Evidence in Transplantation (CET) at the Royal College of Surgeons and the
London School of Hygiene and Tropical Medicine, where he held an honorary professorship and was a member of Court. He served as Chairman of the
British Heart Foundation for 8 years and was President of the
Medical Protection Society. He was elected as a
Fellow of the Royal Society in 1994 and as a Foundation Fellow of the
Academy of Medical Sciences in 1998. In the USA he was elected as a Foreign Member of both the Institute of Medicine of the National Academy of Sciences (1997) and the
American Philosophical Society (2002). ==Career==