Members of (he Subcotinittee on Somatic Effects Arthur C. Upton, Chatraan, HPealth Sciences Carl Vo Moore, Department ef Internal Medicing, Washington University School of Medi- Center, State University of New York at Stony Ereok, Stony Brook, New York Gilbert W. Beebe. National Academy cine, 660 So. Euclid Avenue, St. Louis, Mis- sour of Sciences, Medical Poilaweup Acencv. 2101 Constitution Avenue NL oW.. Washinton, D.C. Victor P. Bond, Brookbaven National Labora- Edward Po Radford, Departinent of Favironmental Medteine, Johns Hopkins University, School of Hyyiene and Public Health, Baltimere, Maryland tory, Upton, Long Tstand. New York Joseph E. Rall, National Institute of Arthritis J. Martin Brown, Department of Radtolopy, Stanford Medical Center, Stanfurd California George W. Casarett. Department of Radiation and Met abolic Diseases, National Institutes of Health, Bethesda, Maryland Furere L. Saenger, University of Cincinnati, Bioloey end Biophysics, University of Rochester Medical Center, an Crittenden Boulevard, Rochester. New York Cotleee of Medicine, Cincinnati, Ohie William B. Seaman, Department of Radiology, Louis H. Hempelmarn, Strons Memorial Hospi-_ tal, Rochester, New York Edward 6. Lewis. Division of Binlug v. Catifornia Institute of Teck: cology. Pasadena, California Robert W. Miller. Eni mMouluey Béaneh, National Cancer Insiit J Natrenal Institutes of Health, Bethesda. M arstand Columbia University, 622 West 168th St. New York, New York John B. Storer, Biology Division. Bld. 9207, Oak Ridge National Laboratory, Oak Ridze, Tennessee Shields Warren, Cancer Research Institute, NewEngtand Deaconess Hospital, 194 Pilgrim Road, Boston, Massachusetts Consultants Wilfrid J. Dixen. Denartmen: ofc B om sthennate 6835 Huntington -wenue, Boston, Massachuies, School ai M sells | Seymour Jablon, Medical Follow-up Asweney, National Academy of Scienees. 2101 Cor NS Rultution Avenue, Washington. D.C. Brian MacMahon. Department ot Enidemiotegy, Harvard School of Public Heaiz} nia, Los Angetes, Cali Jacob i. Fabrikanct. The U 7 Connect- ieut Health Center, Hartford, Cunnecticut George B. Hurchisan. Department of Epidemiology, Harvard School of Pubtic Health. Huntington Avenue. Boston. Massachusetts Members of the Advisory Committee on the Biological Effects of Ionizing Radiations Ad Hoc Committee Cyrus Levinthal. Ch Irma, Department of Biology, Room #754 Schermernorn Extension, Columbia University, itech Street & Amsterdam Avenue, Ney York y York J. Martin Brown, De yer nt at Radioingy, Sianfo:d Moelical Center. Stanton Caliiornin Cyril L. Comair, Department of Physica! Biolory, New York Stare Veterinary Colere, Cornell University, Ihaca. Ne Yors dames Fo Cros. Det 7 Medieal Genet- Samuel P. Hicks. Department of Pathulogy, University of Michizan Medical Certer. Ann Arbor, Michigan Joseph E. Rall, National Institutes of Health. Bide. 10, Rin. 9N222, Bethesda, Maryviand Arcuhar C. Upton. Poatth Sciences Center, State Vaiversity of New York at Stony Brook, Stony Brook, New York Division of Medicent Sctenees - National Acade. invof Sciences - Nattotal Research Counct STARR OFFICELS: Athert W. Tilberg lex, Genetics Baieiipe. Vsriversiiv of Wiscon- sin, Madiscs, Wise otein David A. MeConnsanrhes vii