Douglas, Clifford Hugh, 1879-1952, English engineer and social economist, educated at Cambridge Univ. Author of the economic theory of Social Credit, he became (1935) chief reconstruction adviser to the Social Credit government of Alberta, Canada, but, differing with some of its policies, he shortly resigned. His books include Economic Democracy (1920), Social Credit (1924), The Monopoly of Credit (1931), The Use of Money (1935), and The Alberta Experiment: An Interim Survey (1937).