The following scientists participated in the Project. Referee M.D. (radiation biology) HENRY I. KOHN, Ph.D., Emeritus of Radiation Biology, Harvard Bikini Atoll Rehabilitation Committee; CA 94709 (415-526-0141) Gaiser Professor Medical School; Chairman, 1203 Shattuck Ave., Berkeley Consultants S. J. (nuclear medicine) Professor of ADELSTEIN, H.D., Ph.D. Radiology, Harvard Hedicai School; Director of Joint pro%ram in Nuclear Hedicine at Beth Israel Hospital, Brigham and Women’s Hospital, Children’s Hospital and Institute, and Dana Farber Cancer Vice-President, National Commission on Radiological Center; Protection and Measurements; 25 Shattuck St., Boston, HA Ozlls (617-732-1535) H. J. DU??STER.B.SC. , C.B. (health physics) National Radiological Protection Board International Commission on Radiological Thames St., St. Ebbes, Oxford, OX1 lSU, (0865-251-716) A. KUBO, Ph.D., Vice President, Branch Drive, S. Formerly Director, (United Kingdom), Member, Protection; Residence: 52 United Kingdom HBA, P.E. (civil and nuclear engineering) Technical Applications, The BDH Corp. McLean VA 22102 (703-848-7294) 7915 Jones H. G. Ph.D. (radiation risk analysis) Head, Radiation PARETZKE, !i.sc., Risk Analysis Section, GSF Institut fiir Strahlenschutz (Institute for Radiation Protection), Ingolst~dter Landstrasse 1, D-8042, Neuherberg 2225 Federal Republic of Germany GE-055 (893-187-2225) F. PETERSON, Ph.D. (hydrology and geology) Professor of Hydrology and Chairman, Dept. of Geology and Geophysics, of Hawaii, Honolulu, HI 96822 (808-948-7897) L. W. J. University SCHULL, Ph.D. (epidemiology: cancer, genetics, birth defects) Director of Center for Demographic and Population Genetics and of Texas Health Science Center at Professor of Human Genetics, Univ. Houston; Formerly Director of the Radiation Research Foundation at Hiroshima-Nagasaki, Japan. Address: Population Genetics, P.O. Box 20334, Houston TX 77225 (713-792-4680), or Radiation Effects Research Foundation, 5-2 Hijiyama Park, l!inami Ward, Hiroshima City 732, Japan (082-261-3131)