Born 13 February 1884, only son of Charles and Emily Fay, educated at Merchant Taylor's School, Crosby, King's College, Cambridge. Professor of Economic History, University of Toronto, 1921-30, reader in Economic History, University of Cambridge, from 1931. During World War 1 he served as a lieutenant in the Buffs and Machine Gun Corps, 1915-18. He was married to Alice Quendryth Hartland and when he died on 19 November 1961 having spent his final years in Cyprus Park, Belfast. He was survived by three sons.