Born 24 April 1883 the second son of the Rev George Lindsay of Dunedin and Christchurch, New Zealand, and Jessie Mollison his wife. He was educated at Otago University, where he graduated in science in 1904. Coming to England he received his medical training at the London Hospital, where he was a pupil of James Sherren, and being of magnificent physique played full-back in the hospital's Rugby football XV. He won an entrance scholarship in science to the Hospital's Medical College and a prize in minor surgery. At the hospital he served as resident accoucheur, receiving room officer, pathological assistant, house surgeon, surgical tutor, and surgical registrar (October 1913), and was also lecturer in general surgery in the Dental School. In 1910 he founded the Students' Hostel in connexion with the Medical College, and was chairman of the students' committee for many years. During the first world war he joined the RAMC in September 1914, and was commissioned captain on 25 January 1917 and promoted major on 4 January 1918. He served in France in 1915 with a field ambulance of the 9th Scottish Division, and through the Battle of Loos as surgeon specialist at No 18 casualty clearing station. He worked at the London Hospital for six months in 1916, and was then surgeon in charge of No 32 Stationary Hospital at Wimereux. He was created CBE for his services in 1919. On his return to civil practice he was appointed assistant director of the surgical unit and assistant surgeon at the London Hospital in 1920 becoming surgeon in 1935. In spite of repeated ill-health and undergoing many operations from 1918 onwards for hydatid of the liver, probably acquired in New Zealand, he remained at work till the end of his life and carried on a large private practice. He was also surgeon to the Royal Masonic Hospital and consulting surgeon to Poplar Hospital. He examined in surgery at Cambridge and Queen's University, Belfast. During the great air-raids of 1940-41 he had charge of the London Hospital's emergency medical service unit at Goodmayes, Essex, where he carried on in spite of illness. He had had a heart-attack early in the war, and had a second, more severe, at the beginning of 1943. After treatment at the Royal Masonic Hospital he recovered enough to operate there in July. He died of coronary thrombosis on 23 October 1943, survived by his wife, Mae, widow of J H Davis, whom he had married in 1921. He had no children of his own, but three step-sons and a step-daughter. Charles Lindsay was an excellent practical surgeon, a good teacher and a careful clinical observer. His papers on intussusception and on pulmonary embolism are noteworthy. His recreations were golf, gardening, and music, for he was an accomplished pianist. Lindsay was a typical New Zealander of Scottish stock. Publications: Intussusception, with W S Perrin, FRCS. *Brit J Surg* 1921, 9, 46-71. Multiple pancreatic calculi, removal, recovery. *Lancet*, 1922, 2, 612. Pulmonary embolism, *Lancet*, 1925, 1, 327. Postoperative gastric acidity, with W Evans. *Lancet*, 1929, 1, 651.