Donald Mars Morphett Ross was born in 1865 and trained at Edinburgh University, graduating M.B. and C.M in 1888. He was Assistant Medical Superintendent to the Cumberland and Westmorland Asylum before moving to the West Indies, where he was a Medical Officer in Jamaica. In the years prior to the First World War he served as a ship's medical officer in the Far East; during the War he served as a Lieutenant in the Royal Army Medical Corps. He died in 1921.
From the guide to the Papers of: Ross, Donald Mars Morphett (1865-1921), 1910-1916, (Wellcome Library)