 He became a lecturer in economics, under the influence of John Maynard Keynes (author of "The General Theory of Employment, Interest and Money" and one of the leading lights of the 1944 Bretton Woods Conference, which saw the founding of the World Bank and the International Monetary Fund).During World War II, most of his work was in the Ministry of Aircraft Production, where he rose to become Director of Programmes.In 1946 he served briefly on the staff of "The Economist", and subsequently became adviser to the Board of Trade.