More than two years ago, Smith, Kline & French Laboratories, with the approval of the U. S. Department of State, initiated a series of discussions with diplomatic representatives of the Union of Soviet Socialist Republics designed to exchange scientific and administrative personnel. It was our belief that such an exchange would, at the very least, expand the horizons of our Research and Development Division. Earlier this year, we, together with Dr. W. Horsley Gantt, Associate Professor of Psychiatry, Johns Hopkins University, and Director, Pavlovian Laboratory of the Phipps Psychiatric Clinic, Johns Hopkins Hospital, constituted the first official United States pharmaceutical delegation to the Soviet Union. We visited medical and pharmaceutical research operations in Moscow, Leningrad, and Kharkov as the guests of the Russian government. Subsequently, five representatives of Soviet medical and pharmaceutical research—constituting the first such delegation from the Soviet Union to the United States—visited laboratories in the United States