#1205 Man and His Enviornment., 12/16/1969.

Dr. Theodore C. Dyerly, Assistant Director, Science and Education, U.S. Department of Agriculture; and Vice Chairman of the U.S. Executive Committee for the International Biological Program, National Academy of Science Dr. Zaka I. Slawsky, Chief, Physica Research Department, U.S. Naval Ordnance Laboratory; and Professor of Physics, University of Maryland Dr. John K. Taylor, Chief, Microchemical Analysis Section, and Action Chief, Eletrochemical Analysis Section, National Bureau of Standards.