مؤلف: Robert L. Coleman

James S. Bogard is retired from Dade Moeller/NV5 and from Oak Ridge National Laboratory, where he was Senior Health Physicist and Senior Research Staff, respectively. He is the author or co-author of over 100 articles, technical reports and presentations, including a workbook of health physics problems and solutions and a textbook on statistical methods used in radiation physics and health physics. Dr. Bogard is a past President of the American Academy of Health Physics, a Fellow of the Health Physics Society, and a Distinguished Alumnus of Texas State University. Darryl J. Downing is Vice President, Statistical and Quantitative Sciences, as Glaxo Smith Kline Pharmaceutical company. He is also a member of the International Statistics Institute, and has served as a researcher at the Oak Ridge National Laboratory, as well as authoring numerous scholarly publications. Robert L. Coleman is a Senior Scientist at Oak Ridge National Laboratory and Technical Lead for in-vivo bioassay measurements. He is in charge of technical and everyday aspects of whole body, lung and organ measurements for gamma and x-ray emitting radionuclides in support of the ORNL radiation dosimetry program. Keith F. Eckerman is Staff Scientist in Energy and Environmental Sciences at Oak Ridge National Laboratory. He received his Ph D in Radiological Physics from Northwestern University, is a Fellow of the Health Physics Society, an emeritus member of Committee 2 of the International Commission on Radiological Protection, and has contributed widely to various regulatory issues in radiation protection. James E. Turner (1930-2008) was a Corporate Fellow at Oak Ridge National Laboratory and an Adjunct Professor of Nuclear Engineering at the University of Tennessee. He served on the editorial staffs of multiple journals, including Health Physics and Radiation Research, and conducted extensive research and teaching both inside and outside the US.