PREFACE AND ACKNOWLEDGMENTS anfolded, daily sick call and care of the radiatrom lanomes were carried out by Doctor Shultue aha ines deckied in general con ference of the entire group. When epilation and skin lewons appeared, Commander R.A. Conard, MCUSN, was assigned primary responsibility for documentation of the onset, incidence, and detailed description of the skin lesions. During the fiekd phase, Lt. Robert Sharp, MSC, USN, was given the responsibility for decontamination and collection of data from all sources on the radiation imtensities of the contaminated atolls and the calculation of probable doves of radiation received. Paul K. Schork, HMC, chet ee USN, was in charge of the Hematology Laboratory. The services of Doctor 8S. H. Cohn were requested, and made available by USNRDIto undertake a field study of the degree of intern:| contamination, in addition to the studies that were to be performed on urine samples returned to the Fos Alamos Scientific Laboratory, New York Operations Office of the Atomic Energy Comnniission, and the USNRDIL The authors wish to express their gratitude and indebtedness in particular to Dector John (. Bugher, then Director of the Division of Biology and Medicine, Atomic Energy Commission, who came to the forward area and was always available for counsel. In addition Captain Van Tipton, MC, USN, Director of Atomic Defense Division of the Bureau of Medicine and Surgery. Departnent of the Navy: Commander Harry Etter, MC,USN: Captain W. E, Kellum, MC.USN : and Captain T. L. Willmon, Commanding and Executive Officers respec: tively of the Naval Medical Research Institute: Captain R.A. Hinners, USN, Director USNRDL. and Captain A. R. Behnke, MC, PSN, Associate Director NRDIL: gave uolimited support und reduced administrative procedures toa bare minimum, thus making it possible for the unit to be assembled and underway ina matter of hours. Upon arrival at Kwajalein, Rear Admiral] R.S. Clarke. USN, Commanding Officer United States Naval Station, Kwajalein, supported the r project with all of the facilities at his disposal. Asa oresult. a laboratory and clinic was estab. Vv lished and operating within 24 hours after arrival of the medical team. In ackditvon. we wish to acknew ledge the outstanding contributions of Col. C. 8. Maupin, MCLUSA, Field Conuaand Armed Forces Special Weapons Project: Captain H. H. Haight, MC, USN, Division of Military Application, Atomic Energy Commission: Dr. Gordon Dunning, Division of Hiology and Medicine, Atomic Energy Commission: and Dr. H. Scoville of Armed Forces Special Weapons Project who in addition to their primary duties, collected extensive data in the field on the radiation intensi- ties of the atolls and kindly furnished this materin] tothe project personnel. Drs. T. L. Shipman, Thomas White,* and Payne Harris of the Los Alamos Scientific Laboratory kindly furnished very valuable data on urinary excretion of radionuclides. The early studies of the Los Alamosa group in particular contributed sig- nificantly to the information on the degree and nature of internal deposition of short lived radionuclides. Dr. (7. V. LeRoy, Associate Dean, School of Biological Sciences, University of Clucago. participated in the early phase of the study asa consultant to the Medical Grroup. The authors of Chapter I are particularly in- debted to Dr. C. 8. Cook and the Nuclear Radiation Branch at the Navy Radiological Defense laboratory for information on energy distribution of the gamma radiation. Data on radiochemical and radioactive decay rates were supplied by Dr. C.F. Miller and the Chemical Technology Division of USNRDDL and Dr. R. W. Spetse of Los Alamos scientific Laboratory. In colle ting data on the skin Jesions, the help of Billet Edmond, Marshallese school tencher for the Rongelap group in interpretation was invaluable. Misa Patricia Roan of USNRDL prepared the histologic preparations of the skin biopsies and Mr. William Murray and (Creorge Needum of USNRDEL and (. P. A. Strome. HMC, USN, Naval Mextical Research Institute) performed the excellent color photography. In preparation of the material and writing of Chapter Vi the authors are indebted to Miss C. * Dewaned.

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