Atoms, Radiation, and Radiation Protection

James S. Bogard is a Senior Health Physicist in Oak Ridge, Tennessee, and an Adjunct Professor in the Departments of Nuclear Engineering and Anthropology at the University of Tennessee. He is the author or co-author of over 85 articles, technical reports and presentations, including a workbook of health physics problems and solutions. 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, at GlaxoSmithKline Pharmaceutical company. He was previously a member of the research staff at Oak Ridge National Laboratory and led the Statistics Group for 10 of his 20 years at ORNL. Dr. Downing graduated from the University of Florida in 1974 with a Ph.D. in Statistics. He has authored over 50 publications and has been a Fellow of the American Statistical Association since 2002. He is also a member of the International Statistics Institute since 1997 and serves on the editorial board for Pharmaceutical Statistics. Robert L. Coleman is a Senior Scientist at Oak Ridge National Laboratory and Technical Lead for in-vivo radio bioassay measurements. He manages the technical and day-to-day 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 at Oak Ridge National Laboratory in the Energy and Environmental Sciences Divison. He obtained his Ph.D in Radiological Physics from Northwestern University and joined the Oak Ridge National Laboratory as leader of the Dosimetry Research Group after working at Argonne National Laboratory and with the U.S. Nuclear Regulatory Commission. He is a member of Committee 2 of the International Commission on Radiological Protection (ICRP) and Chairman of its Task Group on Dose Calculations. In 1999 he received the Distinguished Scientific Achievement Award from the Health Physics Society and in 2001 the Loevinger-Berman Award from the Society of Nuclear Medicine. James E. Turner (1930-2008) was a retired Corporate Fellow from Oak Ridge National Laboratory and an Adjunct Professor of Nuclear Engineering at the University of Tennessee. In addition to extensive research and teaching both in the U. S. and abroad, Dr. Turner served on the editorial staffs of several professional journals, including Health Physics and Radiation Research, and was active in a number of scientific organizations.