PREFACE AND ACKNOWLEDGMENTS Division of Biology and Medicine, AEC and Mr. Merril Eisenbud and Dr. John Harley of the Health and Safety Laboratory, New York Operations Office. The senior personnel at sea were Dr. John Harley as Project Leader, Dr. Wooster as Oceanographer and Dr. Allyn H. Seymour of the Applied Fisheries Laboratory, University of Washington as marine biologist. The chemical analyses at the Health and Safety Laboratory were performed by Edward Hardy, Gerald Hamada and Wilham Collins under the direction of Dr. John Harley. The initial team from the United States that examined and cared for the Marshallese who had been evacuated to Kwajalein were: Doctors E. P. Cronkite, R. A. Conard, N. R. Shulman, and R. S. Farr from the Naval Medical Research Institute, Dr. V. P. Bond and Lt. Commander L. J. Smith from the U. 5. Naval Radiological Defense Laboratory, Dr. C. L. Dunham, AEC, and Dr. G. V. LeRoy, Consultant to AEC, and Lt. Col. L. E. Browning, M. C. from the Armed Forces Special Weapons VII Project. Before the arrival of the team, preliminary care and studies had been initiated by the station medical officer, Commander W.S. Hall. Doctors T. L. Shipman, Thomas White, * and Payne Harris of the Los Alamos Scientific Laboratory performed the urinalyses. The six months medical survey was conducted by Drs. V. P. Bond, R. A. Conard, J. 5. Robertson and EK. A. Weden, Jr., and the twelve months medical survey was conducted by Drs. KH. P. Cronkite, C. L. Dunham, David Griffin (USNRDL), 5. D. McPherson (NMRI) and Kent T. Woodward (Field Command, AFSWP). The two year medical survey was performed by Drs. R. A. Conard, Bradford Cannon, C. E. Huggins (USNR), J. B. Richards (USNR), and Austin Lowery (USA) with the technical assistance of C. P. A. Strome, W. K. Border, J. W. Hamby, L. D. Snow, W. G. Clutter, and ©. D. Severson (all USN). Special appreciation is expressed to Violet M. McCarthy for the secretarial work in preparing this report. *Deceased. DOE ARCH Lis)