The Foreign Mail section for this issue is devoted to reports on the Third International Chemotherapy Congress held at Stuttgart in July, 1963.—Ed.
—The first of two inaugural lectures, held by Lettré of Heidelberg, was devoted to development in cancer research. The lecture, in view of the relationship of chemotherapy and cancer, was also intended as an introduction to the rich subject matter of the congress as a whole. A hundred years ago, Louis Pasteur rejected the theory of abiogenesis, ie, life arising from nonliving matter. Since then, the enormous development of medicine and science has brought so much revolutionary knowledge into being that today, at least in theory, the growth of living substance from nonliving matter has become a subject of discussion. Naturally, it is accepted that such a process would take millions and thousands of millions of years. All forms of life on our earth