| 1950 | Bachelor of Medicine (MB) and Bachelor of Surgery (BS) completed at the University of Sydney |
| 1950 - 1951 | Resident Medical Officer at the Royal Prince Alfred Hospital in New South Wales |
| 1952 - 1953 | NHMRC Research Fellow at the University of Sydney |
| 1952 - 1953 | Tutor in Physiology and Medicine at St. Paul's College, University of Sydney |
| 1954 | House Physician at Hammersmith Hospital in London |
| 1955 | Doctor of Medicine (MD) completed at the University of Sydney |
| 1955 | Assistant House Physician at the National Hospital in Queen Square, London |
| 1956 - 1957 | Superintendent of the Northcott Neurological Centre in New South Wales |
| 1956 - 1960 | Tutor in Physiology and Medicine at St. Paul's College |
| 1956 - 1961 | Honorary Assistant Physician at the Sydney Hospital |
| 1956 - 1962 | Visiting Lecturer in Physiology at the University of Sydney |
| 1957 - 1961 | Honorary Assistant Physician at St. Luke's Hospital |
| 1960 - 1961 | Lilly Foreign Education Fellow at Massachusetts General Hospital, USA |
| 1961 - 1963 | Senior Lecturer in Medicine at the University of New South Wales |
| 1961 - 1992 | Chairman of the Department of Neurology at the Prince Henry and Prince of Wales Hospitals |
| 1964 - 1974 | Associate Professor of Medicine at the University of New South Wales |
| 1967 | Harold G. Wolff Memorial Award received from the American Association for the Study of Headache |
| 1975 | Gold Medal received from the British Migraine Association |
| 1975 - 1992 | Professor of Neurology (Personal Chair) at the University of New South Wales |
| 1977 | Commander of the Order of the British Empire (CBE) |
| 1978 - 1981 | President of the Australian Association of Neurologists |
| 1980 | Fellow of the Australian Academy of Science (FAA) |
| 1983 | Harold G. Wolff Memorial Award received from the American Association for the Study of Headache |
| 1987 - 1989 | President of the International Headache Society |
| 1989 | Arnold Friedman Distinguished Clinician/Researcher Award received from the American Association for the Study of Headache |
| 1989 | President of the Fourth International Headache Congress |
| 1990 - 1991 | Director of the Institute of Neurological Sciences at The Prince of Wales Hospital |
| 1991 | Officer of the Order of Australia (AO) |
| 1991 | John Graham Senior Clinician Award received from the American Association for the Study of Headache |
