Born on 1 June 1862 at Kensington, second child and eldest son of Beevor Roll, chartered accountant, and Ellen Winfield, his wife. He was educated at Bedford Grammar School, at Christ's College, Cambridge, and at St Thomas's Hospital, where he served as ophthalmic house surgeon. He was later chief clinical assistant at the Royal London Ophthalmic Hospital, Moorfields. He served on the staff of the Royal Westminster Ophthalmic Hospital, retiring as consulting surgeon, and was also consulting ophthalmic surgeon at St Mary's Hospital for Women and Children, Plaistow. Roll never married, but lived with his sister, Miss M F Roll. He was interested in ornithology and sailing. He died at the New Manor House, Thames Ditton, on 21 February 1942, aged 79. Publications: Two cases of congenital ptosis upon which a modified Hess's operation had been performed. *Trans Ophthal Soc UK* 1901, 21, 174. Congenital pigmentation patch in retina. *Ibid* 1902, 22, 193.