He became a navigator in the RAF in the Second World War, then resumed his interrupted higher education at the London School of Economics, marrying Dorothy Salter in 1946, and obtaining a lectureship at Birmingham in 1948.
He became a navigator in the RAF in the Second World War, then resumed his interrupted higher education, not reading Mathematics at Balliol College, Oxford, but instead reading Economics at the London School of Economics. He married Dorothy Salter, also an economist, in 1946, and obtained a lectureship at Birmingham in 1948.