The Commission welcomes this opportunity to discuss with the American Committee of the International Union of Geodesy and Geophysics a tentative program in international geoscience. Our principal desire is to help keep the International Union of Geodesy and Geophysics alive—not merely in cold storage—until its whole membership can again unite in the support of world‐science for post‐war problems. We also feel that our endeavors, at this time, may be of interest to other international scientific unions, which, for several reasons, have entirely ceased to function or even to maintain contacts between their personnel in the allied countries.The International Commission on Continental and Oceanic Structure was appointed, as most of you will recall, at the Edinburgh Assembly (1936) of the International Union of Geodesy and Geophysics with the instructions that it seek to stimulate and facilitate the accumulation and correlation of factual information: First, as to the nature of the crustal structures characteristic of continental and oceanic areas; and second, as to the nature of the terrestrial processes responsible for the recurrence of certain crustal structures and patterns over the entire Earth's