I have worked as a manager in a large industrial organisation for the last twenty years. During that time I have seen the job of a manager change almost out of recognition in both complexity and difficulty. For the last five ofthose years I have held ajob which has been much concerned with the problems which managers face under these cir cumstances, and I have been in the position to discuss these pro blems with people doing similar jobs in other large organisations, who have in turn often asked me for advice on their problems. The result has been to build up a general picture of the manager...