Born at Dunedin, 13 September 1878, fifth child of Henry James Ainger, manager of the New Zealand Loan and Trust Company, and Fanny Ellen Bailiff his wife. He received his early education at Christ's College, Christchurch, and left New Zealand in 1899 to study medicine at St Bartholomew's Hospital, London. He was house surgeon at the Metropolitan Hospital during the year 1903, and then acted as a ship's surgeon. He studied for a time in Paris, and settled in general practice at 58 Sloane Street in 1911. On the outbreak of the war of 1914 he went to France as surgeon to No 2 Red Cross Hospital at Rouen, with a commission as captain in the RAMC (T). In 1915 he was medical officer to King Edward VII Hospital until he returned to France early in 1918, where he worked in a base hospital at Staples. He practised at 7 Cadogan Place, SW from 1919 until the time of his death on 24 January 1931. He married Elsie Mary Williams in 1916, who survived him, but without children. Publications:- Combined scissors, forceps and spongeholder. *Brit med J*. 1917, 2, 585. Shot in the vermiform appendix revealed by x-rays. *Ibid*. 1919, 1, 575.