Leona von Bretzel, Earlene Easton, and Margaret Spangler
handled many administrative details necessary for the smooth-
ness of the conference. The Headquarters Services Division
provided a number of services for which we are grateful;
particular thanks are due Paul Barrett, projectionist.
Alfred W. Klement, Jr.
Acting Chief, Fallout Studies Branch
Division of Biology and Medicine
U. S. Atomic Energy Commission
vi