The problems of mankind must be solved, if they are to be solved at all, by a combined use of all those types of knowledge by which human affairs may be influenced. The program areas recommended to the Trustees of the Foundation are focused on problems generally considered within the social sciences, but they involve the humanities and the natural and medical sciences as well. And a balanced use of all these forms of knowledge will be more likely to result if the Foundation's program is guided by men who have a general interest in all of them, and in their effects on the lives of all kinds of people.

Since the recommended program areas will include the application of knowledge and the development of personnel as well as the support of research, the most important task of the Trustees will be to see that these three approaches are kept in balance, and made to contribute to each other. Without positive attention to this point, the Foundation's staff members are likely to drift toward the support of research that does not bear on the great problems of man and society. Their work will seem easier, and they will get less criticism from the Trustees and from those accustomed to apply for foundation grants, if they make grants for conventional types of research rather than support well-rounded attacks upon problems. But if this tendency is recognized, the Trustees may convert it from a danger into an opportunity. For the Foundation may