Born 23 April 1885 at Leicester, the eleventh child and sixth son of Edward Daniels, assessor of water rates, and his wife Elizabeth Ann Woodcock. His elder brother Frederic William was also a Fellow of the College. D W Daniels was educated at Wyggeston School, Leicester, Mary's Hospital Medical School, London, which he entered with a scholarship in natural science in 1903. He won prizes in anatomy and operative surgery, and served as prosector and demonstrator of anatomy. He qualified in 1907 and won the Meadows prize and senior resident obstetric officer at St Mary's, and won the gold medal for midwifery at the London MD examination in 1910; he took the Fellowship the same year. After serving as senior house surgeon at the Cancer Hospital, he was surgical registrar at the Prince of Wales Hospital Tottenham. Daniels then settled in practice at Mansfield, Nottinghamshire where he became surgeon, and ultimately consulting surgeon to the General Hospital. During the war of 1914-18 he was officer in charge the surgical division at No 3 stationary hospital in France, with the rank of captain, RAMC, gazetted on 16 December 1916. Daniels took a leading part in the medical life of his county; he was president of the Nottinghamshire Collieries Medical Service Association and chairman of the Nottingham local Medical Committee. He was examiner for the General Nursing Council, an examining officer for Ministry of Health, a referee under the Workmen's Compensation Acts for the Ministries of Pensions and National Service, and he served on local medical boards under the Military Service and National Insurance Acts. Daniels married on 3 June 1913 Mary Horsley, but there were no children. He died in Nottingham Hospital on 24 May 1950, aged 65. He was reserved, sensitive, and conscientious. Publications:- A congenital tumour of the neck. *Brit J Surg*. 1927-28, 15, 523. Experience of the extended use of spinal anaesthesia. *Clin J*. 1937, 66, 74.