Gwyn Amman Evans was a paediatric orthopaedic surgeon at Oswestry. He was born in Denbigh, in the Vale of Clwyd, on 24 March 1944, the son of Owen John Evans, a presbyterian minister, and Annie Gwyneth Evans née Edwards, the daughter of a farmer. At the age of three the family moved to Bon-y-maen in Swansea, and he attended Bishop Gore Grammar School. He was keen on music and an accomplished pianist, accompanying school assemblies. He passed the associate of the London College of Music exam before leaving Swansea in 1962 to study medicine at Barts. In London he joined the London Welsh Youth Choir and continued to accompany services, his father taking on a church in Clapham. When he qualified in 1967, the dean, Ellison Nash, chose Gwyn to be his surgical house officer. In 1969 he worked at Birmingham Accident Hospital, where he was impressed by the humility of his boss. Returning to Barts to do surgical and anatomy demonstration jobs, he passed his FRCS. He joined a surgical rotation in Cardiff, where he wrote a paper on an incentivising spirometer for postoperative pulmonary complications, for which he won the Moynihan medal at the age of 30 (‘The evaluation of the incentive spirometer in the management of postoperative pulmonary complications’ *Br J Surg* 1974 Oct;61[10]:793-7). In 1974, he went to Oswestry, where he joined the orthopaedic rotation: to Hereford, Stoke-on-Trent for trauma, and then children’s orthopaedics under Rowland Hughes. He also gained a fellowship at Newington Children’s Hospital in Connecticut. The new Australian professor at Oswestry, Brian T O’Connor, asked him to write a job description for an ideal paediatric orthopaedic surgeon and six months later he was appointed to the job. He also worked at Wrexham Maelor in trauma and elective orthopaedics until 1999. Contributing enormously to the teaching of paediatric orthopaedics, he was the regional specialty adviser in north Wales and postgraduate tutor for the West Midlands. He served on the councils of the British Orthopaedic Association and the European Paediatric Orthopaedic Society. He received the Sharrard medal for children’s services and the British Society for Children’s Orthopaedic Surgery named its travel fellowship in his honour. He retired in 2004 and during his retirement, for nine months a year, he worked as a volunteer at the Dr H G Roberts Hospital in Shillong, Meghalaya, in northeast India, where he arranged for a generator to be installed and, with the help of funding from the Presbyterian Church of Wales, an intensive care unit was established at the hospital. At home he helped at the citizen’s advice bureau in Wrexham. He was strongly supported by his wife, Mary (née Tudor), his three children and seven grandchildren, and was strengthened by his deep faith which sustained him throughout his life. He died on 20 July 2022 at the age of 78.