Son of the Rev William Harrison, belonging to a clerical family dating from 1662, and a cousin of Harrison Ainsworth, the novelist; was articled to W R Whalton, FRS, a well-known Manchester surgeon. He completed his medical studies at Manchester and at University College Hospital, London. After qualifying he became Resident Assistant Physician at the Manchester Royal Infirmary. Later he gained a large practice, and was Surgeon to the Ardwick and Ancoats Dispensary. He was a prolific writer on medical subjects, largely from a popular point of view, and was instrumental in leading to a Government inquiry into the condition of children employed in unhealthy occupations. He died at The Mount, Higher Broughton, Manchester, on January 2nd, 1890. Publications: *Observations on the Contamination of Water by the Poison of Lead*, 12mo, London, 1852. *Familiar Letters on the Diseases of Children*, 16mo, London, 1862.