Born in the north of Ireland in 1865 or 1866, son of a clergyman and nephew of William Boyd Carpenter (1841-1918); Bishop of Ripon, for whom see DNB. His mother was a Miss Ball, daughter of a Donegal clergyman. He was educated at Blundell's School, Tiverton, Devon and at St Bartholomew's Hospital, and served as assistant house surgeon at the East Suffolk and Ipswich Hospital and at the Royal Infirmary, Hull. He served as a surgeon in the South African war 1899-1900. He was for a time resident surgeon at the Kasr-el-Aini Hospital, Cairo and then served as sub-director of public health at Alexandria. During the first world war he was commissioned as a surgeon in the Royal Navy, serving first in a merchant cruiser and later in HMS *Glasgow* in the South Atlantic. In 1917 he transferred to the army and was gazetted temporary captain RAMC on 1 August 1917, and served on Salisbury Plain and at Southampton. After the war he was employed in winding up VAD hospitals in the south-west of England. He then served the Orient Steamship Company as a ship's surgeon, travelling to and from Australia regularly for nine years. Carpenter retired about 1930 and settled at York House, London Road, Worcester, but did not practice. During the second world war he served on the local medical board under the Ministry of Labour and National Service. He was taken ill in 1941 with a duodenal ulcer, went to the Isle of Man in July 1942, and died in Noble's Hospital, Douglas on 1 April 1943, aged 77. He was buried near his mother and sister at Broadstone, near Bournemouth, Dorset. Carpenter never married. Publications:- "Reports on milk supply, and on infant mortality, at Alexandria."