Born on 4 September 1880 eldest of the two sons and two daughters of Samuel Johnson (1846-99), Medical Officer of Health for Stoke-on-Trent and Julia his wife, daughter of James Webb. Mrs Johnson died only in 1931; her children had all adopted her maiden surname, Webb, before their father's name. Dr

Born 19 August 1876, elder son of John William Collinson, wool merchant of Halifax, and Frances Whiteley, his wife. He was educated at the Quaker schools at Ackworth and Bootham, and at the Yorkshire College Medical School at Leeds. He received his clinical training at the Leeds General Infirmary, w