59 Acknowledgments The cooperation of many agencies and persons was necessary to carry out these surveys successfully. The authors are deeply grateful to many = meet individuals, too numerous to name, for valuable assistance. Many officials of the Atomic Energy Commission, particularly Dr. Charles L. Dunham, Dr. H.D. Bruner, and manyoftheir staff of the Division of Biology and Medicine, where most helpful in the coordination of arrangements with various governmental agencies. Wearegrateful to the officials of the Department of the Interior and particularly to the Honorable D.D. Nucker, High Commissioner of the Trust Territory of the Pacific Islands, and his staff for their support and assistance in carrying out the surveys. Others of the Trust Territory who were particularly helpful include Mr. Maynard Neas, District Administrator for the Marshall Islands, andhis assistant, Mr. William White, and Mr. R.J. Umhoefer; also Dr. A. Hicking, Dr. John Iaman, and Mrs. Ruth Martin of the Marshall Islands Memorial Hospital. The officers and crew of the Trust Territory ship Roque were most helpful during the 1960 survey. At Brookhaven National Laboratory contributions were made by many individuals in many departments including Medical, Instrumentation and Health Physics, Photography and Graphic Arts, the Shipping section, and others. Weare grateful to the following people for their support and advice: Dr. Leland J. Haworth, Director; Dr. Lee E. Farr, Chairman of the Medical Department, and others in this departmentincluding Drs. D.D. Van Slyke, E.P. Cronkite, V.P. Bond, J.S. Robertson, R.A. Love, and G.C. Cotzias, and Mr. W.A. Finn, Mr. Clyde Sipe, and Mrs. L.M. Tassinari. Also in the Medical Department we appreciate the assistance of Mr. E.A. Gusmano and Miss R.F. Straub in carrying out measurements and analysis of radionuclides and Mrs. Helen L. Brown for secretarial assistance. In the Instrumentation and Health Physics Department, Dr. J.B.H. Kuper, Chairman, and Drs. R.L. Chase, W. Higinbotham, and R.M. Sugarman gave invaluable assistance in assembling andtesting complex electronic equipment. As in the past, the Department of Defense, particularly the Departmentof the Navy, contributed most vitally to the missions. The Chief of Naval Operations furnished an LST, and Capt. HS. Etter, (MC) USN, acted as Naval liaison officer at Pear] Harbor. At the Naval Medical Research Institute we are deeply grateful to Comdr. I.V. King, (MSC) USN,for his splendid assistance as Navyliaison officer and to Capt. O.E. Van der Aue, (MC) USN, Commanding Officer, for his support. Lt. W.E. Lassiter, USN, and his officers and crew of the Duval County (LST 758) wereof great assistance to the team on the 1959 survey. We are also grateful to the Naval Support Activity at Kwajalein for assistance in furnishing necessary airlifts in the Marshall Islands and to Drs. W.W. Fennel and W.S. Shippey of the Texas Transport Company Hospital there for their willing assist- ance. We greatly appreciate the assistance of Mr. Ernest Wynkoop and Mr. Ray Emmens, Office of Test Operations, Atomic Energy Commission, Eniwetok, andtheir staff and of the Holmes and Narver Construction Co. in handling andstoring of equipment. Weare grateful to Major Kent T. Woodward, (MC) USA,and his colleagues at the Walter Reed ArmyInstitute of Research for advice and assistance in radiochemical analysis of urine samples. References 1. Cronkite, E.P. et ar., The Effects of Ionizing Radtatton on Human Beings: A Report on the Marshallese and Americans Accidentally Exposed to Radiationfrom Fallout and a Discusston of Radiation Injury in the Human Being, U.S. Government Printing Office, Washington, D.C., 1956. 2. Bonn, V.P., Conarp, R.A., Ropertson, J.S., AND Wepen, E.A. Jr., Medical Examination ofRongelap People Six Months After Exposure to Fallout, WT-937, Operation Castle Addendum Report 4.1A, April 1955. 3. Cronkite, E.P., Dunnam, C.L., Grurrin, D., McPHER- son, S.D., anp Woopwarp, K.T., Twelve-Month PostExposure Survey on Marshallese Exposed to Fallout Radtation, BNL 384 (T-71), August 1955. 4. Conarp, R.A., Hucoins, C.E., Cannon, B., Lowrey, A., AND Ricnarpbs, J.B., j.4.M.A. 164, 1192-7 (1957). 5. Conarp, R.A., Meyer, L.M.. Ratt, J.E., Lowrey, A., Bacu, S.A., Cannon, B., Carter, E., Ercuer, M., AND Hecuter, H., March 1957 Medical Survey ofRongetap and Utunk People Three Years After Exposure to Radioactive Fallout, BNL 501 (T-119), June 1958. 6. Conarp, R.A. Et at., Medical Survey ofRongelap People, March 1958, Four Years After Exposure to Fallout, BNL 534 (T-135), May 1959.

Select target paragraph3