The demands on the skill, knowledge, performance, responsibility and integrity of the manager have doubled in every generation during the past half century. Things which in the twenties only a few pioneers in top management were aware of we now expect young men straight out of school to be able to do. Daring innovations of yesterday – market research, product planning, human relations, or trend analysis, for instance – have become commonplace. Operations Research is fast becoming so. Can we expect this almost explosive increase in the demands on the manager to continue? And what can we expect to be demanded of the manager of tomorrow?