Born on 18 July 1899, the eldest son of James Diggle, builder, and his wife, *née* Fitton. He was educated at Rochdale Secondary School, and after serving as a combatant in the first great war he went into business. Feeling a vocation for medicine he entered Liverpool University Medical School, and qualified there at the age of thirty-two in 1931. He served as house surgeon at the Royal Infirmary and surgical registrar at the Northern Hospital, Liverpool, and was then appointed surgeon to Bootle General Hospital and to Warrington Infirmary. He took the Fellowship in 1935, though not previously a Member. Diggle was a general surgeon, primarily interested in orthopaedic surgery. He was orthopaedic surgeon to the Walton Hospital, Liverpool and supervising surgeon of the Oakmere Rehabilitation Centre under the Miners Welfare Committee. He was also surgeon to St Helen's Provident Hospital. In 1944 he was elected surgeon to the Stanley Hospital division of the Royal Liverpool United Hospital, a marked tribute to his ability as he had not been an assistant surgeon there. Diggle lived at 4 Poplar Bank, Huyton, with consulting rooms at 55 Rodney Street, Liverpool. He married in 1924 Miss Leach, who survived him with a daughter. He died on 17 November 1945, aged 46. He was a strong, hardworking man of enthusiasm, and a good teacher. Publications:- Guillotine amputation. *Lancet*, 1940, 2, 375. Two hundred cases of fracture of shaft of the femur treated by fixed skin traction by means of Thomas splint. *Lancet*, 1942, 2, 355.