Elder son of David Bridge Lees, MD, Physician to St Mary's Hospital, London, was a scholar of St Paul's School, and was admitted with an exhibition to King's College, Cambridge, where he was also a prizeman, on Oct 2nd, 1900, and graduated BA in 1903 after obtaining a 1st class in Part I of the Natural Science Tripos. He entered St Mary's Hospital, held the posts of Casualty House Surgeon, House Physician, House Surgeon, and was promoted to be Surgical Registrar in 1914. In this position he was retained during the War as one of the younger surgeons required to carry on the work of the London hospitals, and for his services was decorated OBE in 1919. Elected Assistant Surgeon at St Mary's Hospital in 1919, he had charge of the Throat, Nose, and Ear Department, and was subsequently Surgeon for the treatment of these diseases at the Queen's Hospital for Children, Hackney; at the Ilford Emergency Hospital; at the Paddington Hospital; at St Mary Abbott's Hospital; at the Victoria Hospital, Swindon; and at Letchworth Hospital. He married in 1920 Ivy Comyn, daughter of T Bastian Hill, and a niece of William Hill, FRCS, Surgeon to the Throat Department at St Mary's Hospital. Lees died on July 23rd, 1929, after an operation for a cerebral tumour. He had many interests outside his profession; he was a good golfer, a keen motorist, and was Master of the Sancta Maria Lodge of Freemasons at the time of his death. Publications: "A Case of Ruptured Intestine." - *St Mary's Hosp Gaz*, 1916, xxii, 39. "An Article based on 900 Abdominal Sections." - *Practitioner*, 1919, ciii, 263. "Two Cases of Coin in the (Esophagus removed Successfully by Means of the Œso-phagoscope." - *Brit Med Jour*, 1927, i, 761.