Born on 19 August 1874 the son of William Roderick of Llanelly and nephew of a general practitioner in that town, he was educated at Bath College, Emmanuel College, Cambridge and St George's Hospital, where he was house physician and house surgeon and later surgical registrar. In 1900 he went back to Cambridge to act as demonstrator in surgery for Joseph Griffiths, surgeon to Addenbrooke's Hospital, who was deputy professor of surgery to Howard Marsh, on whose death in 1915 the chair was discontinued. Two years later Roderick set up in practice and was appointed police surgeon. In 1901 he had become medical officer to the University Rifle Volunteers which became in 1908 the Cambridge University Officers Training Corps with a medical contingent of which Roderick became the commanding officer. In 1914 he was commissioned Major RAMC attached to the 1st Eastern General Hospital, erected on the then King's and Clare cricket ground. In 1917 he was promoted Lieutenant-Colonel and went to France in command of the 55th General Hospital, for which service he was awarded the OBE and Territorial Decoration. On returning to Cambridge in 1919 he was appointed honorary surgeon to Addenbrooke's Hospital and from 1928 to 1939 he was supervisor of examinations and examiner in surgery for the University. In 1939 he retired but continued to work during the war on a voluntary basis. He was a general surgeon but particularly interested in orthopaedics for which he established clinics at the hospitals in Huntingdon and in Wisbech. He was a popular doctor, displaying the Victorian virtues without their stuffiness. Churchwarden of Great St Mary and an eminent Freemason, he was also President of the Cambridge and Huntingdon branch of the BMA and President of Rotary. He married Hilda Mary daughter of John Clay, University Printer, and they had four sons and three daughters. Roderick died on 29 August 1958 in Addenbrooke's Hospital aged 84.