59 Acknewledgments The cooperation of manyagencies and persons was necessary to carry out these surveys successfully. The authors are deeply grateful to many individuals, too numerous to name, for valuable assistance. Manyofficials of the Atomic Energy Commis- sion, particularly Dr. Charles L. Dunhan, Dr. H.D. Bruner, and manyoftheirstaff of the Division of Biology and Medicine, where most helpful in the coordination of arrangements wit: arious governmental agencies. Weare grateful to the officials of the Department of the Interior and particularly to the Honorable D.D. Nucker, High Commissionerof 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, and his assistant, Mr. William White, and Mr. R.J. Umhoefer; also Dr. A. Hicking, Dr. John Iaman, and Mrs. Ruth Martin of the Marshall Operations furnished an LST, and Capt. HS. Etter, (MC) USN, acted as Navalliaison officer at Pearl 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) were of 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 therefor their willing assistance. We greatly appreciate the assistance of Mr. Ernest Wynkoop and Mr. Ray Emmens, Office of Test Operations, Atomic Energy Commission, Eniwetok, and their staff and of the Holmes and Narver Construction Co.in handling andstoring of equipment. Weare grateful to Major Kent T. Woodward, Islands Memorial Hospital. The officers and crew of the Trust Territory ship Rogue were most helpful during the 1960 survey. (MC) USA, and his colleagues at the Walter Reed Army Institute of Research for advice andassistance in radiochemical analysis of urine samples. partments including Medical, Instrumentation References At Brookhaven National Laboratorycontributions were made by many individuals in many de- 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 De- partment, 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 and testing complex electronic equipment. As in the past, the Departmentof Defense, particularly the Departmentof the Navy, contributed most vitally to the missions. The Chief of Naval 1. Cronkite, E.P. et ar.. The Effects ofIonizing Radiation on Human Beings: A Report on the Marshallese and Americans Accidentally Exposed to Radiationfrom Fallout and a Discus- sion of Radiation Inyury in the Human Being, U.S. Government Printing Office, Washington, D.C., 1956. 2. Bono, V.P., Conarp, R.A., RoBertson, 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. Cronxire, E.P., Dunnam, C.L., Grirrin, D., McPHERson, S.D., anD Woopwaro, K.T., Twelve-Month PostExposure Survey on Marshallese Exposed to Fallout Radtation, BNL 384 (T-71), August 1955. 4. Conarp, R.A., Hucerns, C.E., Cannon, B., Lowrey, A., anD Ricnarps, J.B., /.A.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 Hecnter, H., March 1957 Medical Survey ofRongelap and Uturik People Three Years After Exposure to Radtoactiwve Fallout, BNL 501 (T-119), June 1958. 6. Conarn, R.A. er av., Medical Survey ofRongelap People, March 1958, Four Years After Exposure to Fallout, BNL 534 (T-135), May 1959.