Dr Sheila Wallace was the Director of the Children's Centre, where she worked in cooperation with the Community Health Service, Neonatologists, an Orthopaedic Surgeon, and the Professor of Mental Handicap. She was on the Medical Advisory Committee of the British Epilepsy Association from 1974 – 1984, on the British Epilepsy Research Foundation Awards Committee from 1986, Treasurer of the BPNA from 1984 – 1986, she served on the Committee on the Safety of Medicines and the MRC's Committee on the Development of Vaccines and Immunisation procedures. From 1990, she was a board member of the International Child Neurology Association (ICNA), and from 1999–2001, the European Paediatric Neurology Association (EPNS); she sat on the Editorial boards of MacKeith Press and the European Journal of Paediatric Neurology. Among all this, she kept up a continual flow of academic work, most evident in her publications but including lecturing at home and abroad, particularly in places where the need was most prominent. She alone built Paediatric Neurology in South Wales with the same deep determination and carried its influence across Europe and the World. Rowland Isaac, her husband, to whom she was loyally devoted, died in 1993.