The Committee on Growth of the National Research Council, acting in an advisory capacity, makes recommendations to the American Cancer Society concerning the administration of the grants-in-aid and fellowship portions of the Society's research program. This book, which is the fifth annual report, tells the fascinating story of how the Committee on Growth goes about its business of selecting fellows for training in cancer research and research projects for support by the American Cancer Society. The report is written in a simple and clear style and should be read by all who are interested in cancer research or in supporting it financially. The first part of the report consists of a well-reasoned and pertinently illustrated account of the fellowship program, the grants for scholars in cancer research, the selection of cancer research projects, the distribution of grant-in-aid funds, the participating institutions, and the work of the sections of the Committee