Born 7 September 1880, the son of Patrick Jamison, farmer, of Ballyrush, Ballygowan, Co Down and his wife, *née* Grainger. He was educated at the Royal Academic Institution and at Queen's College, Belfast, then a constituent of the Royal University of Ireland. After graduating in 1906 he served as house surgeon at the Royal Victoria Hospital and as assistant to the professor of medicine at Queen's College. He was in London as clinical assistant at the Royal London Ophthalmic Hospital, Moorfields, and took the Fellowship in 1910 though not previously a Member of the College. Jamison then went to South Africa to join the staff of the Swaziland Administration, where his whole career was passed. He served at first as assistant medical officer in charge of a district at Hlatikulu and from 1913 at Mbabane, where he took over at headquarters the medical care of the Northern District. On the outbreak of war in 1914 Jamison volunteered for service with the Swaziland troop of the Imperial Light Horse, but was transferred to the medical branch with the rank of captain. He was recalled to the civil administration in 1915, and was in charge of hospital and police work at headquarters till his appointment as Principal Medical Officer in 1918. He took the Diploma of the English Colleges in Tropical Medicine and Hygiene in 1920. Previous to his retirement he was created OBE at the New Year Honours 1936, in recognition of his service as Principal Medical Officer to the Swaziland Administration. His surgical ability, often working in inadequate conditions, attracted patients from long distanced to the Government Hospital at Mbabane. Jamison married Miss Davison on 19 August 1915, who survived him with one son, a mining engineer at Johannesburg. He died after a severe attack of rheumatic fever on 15 July 1945.