John Mark M.A.(Hons) Cantab. M.Sc in Economics (London) is Senior Lecturer in Economics at King’s College, University of London and a Fellow of the Royal Statistical Society. His major publications include the 800 page volume on The Food Industries, Reviews of the Statistical Sources of the United Kingdom Vol XXVIII, Chapman and Hall, London, further work on statistical sources and recent papers on the semi-conductor industry. He read history at St. Catharine’s College Cambridge and did his postgraduate studies in economics at University College London and the London School of Economics.