My job was to teach the whole corpus of economic theory, but there were two subjects in which I was especially interested, namely, the economics of mass unemployment and international economics.
But my shift to the serious study of economics gradually weakened my belief in Major Douglas's A+B theorem, which was replaced in my thought by the expression MV = PT.
To spend this particular year reading essays to Dennis Robertson as one's supervisor, and, simultaneously, enjoying membership of the group round Keynes was indeed an intellectual treat.
From 1931 to 1937, I was a Fellow and Lecturer in Economics at Hertford College, Oxford.
I have learned as much in the last three years as in any other comparable period of my life, but with an added realisation of how little over a half century of study one has in fact managed to learn of the whole range of economic policy issues.
After the outbreak of war, in April 1940, we left Geneva with our three children aged 4 years, 2 years and 2 weeks only to become part of the disordered refugee crowds fleeing across France from the German army.