Economista inglese (Cambridge 1889 - Londra 1959); reader all'univ. di Oxford dal 1925 al 1944 e presidente della Fabian Society dal 1939 al 1946 e dal 1948 al 1950, scrisse numerosi studî di storia e politica economica: Principles of economic planning (1935), British working class politics 1832-1914 (1941), Money, its present and future (1944; 3a ed. 1951), A century of cooperation (1945), A short history of British working class movement, 1783-1947 (2a ed. 1947; trad. it. Storia del movimento operaio inglese ..., 1965), Essays in social and political theory (1950), Socialist economics (1950), The British cooperative movement, ecc. (1951), Introduction to economic history (1952; trad. it. 1961), Introduction to trade unionism (1954), Marxism and anarchism 1850-90 (1954), Money, trade, and investment (1954) Studies in class structure (1955), Post-war condition of Britain (1956) e, di particolare importanza, la vasta History of socialist thought (5 voll., 1953-60; trad. it. 67-69). Con la moglie, Margaret Isabel Postgate (Cambridge 1893 - Londra 1980), scrisse libri gialli.