 He developed his unit at Glasgow's Southern General Hospital into a strong component of the University's Medical School, and was instrumental in developing it into a leader in the development of psychiatry within hospitals and the combination of psychological medicine with neurological sciences.In 1972, the unit was formed into the Institute of Neurological Sciences, where the Glasgow Coma Scale was devised by Graham Teasdale and Bryan J. Jennett in 1974.He was an external examiner at Edinburgh and Leeds Universities.