is Professor of Environmental and Radiological Health Sciences at Colorado State University, and holds a joint faculty appointment in the University Graduate Program in Cell and Molecular Biology. He received a D. Phil. degree in Radiobiology from Oxford University. He then joined the faculty at Vanderbilt University in 1966 and was promoted to Associate Professor in 1971. In 1975 he moved to his present position at Colorado State University. His research has focused principally on cellular radiation biology, radiation cytogenetics, carcinogenesis, genetic factors altering susceptibility to radiation effects and cancer biology. His programs have been funded, without interruption, by the National Institutes of Health (NIH), the U.S. Department of Energy, and/or the National Aeronautics and Space Administration since 1966. He served as a regular member and Chairperson of the NIH Radiation Study Section, and as a Councilor, Associate Editor, and later as President of the Radiation Research Society. He has received various awards such as the Failla Award and the Excellence in Mentoring Award from the Radiation Research Society.

He was a regular member of the National Academies’ Board on Radiation Effects Research, and then on the National Academies’ Nuclear and Radiation Studies Board. He served a 5 y term on the Scientific Council of the Radiation Effects Research Foundation in Hiroshima, Japan, and is a member of NCRP. He is a member of NCRP Program Area Committee 1. Dr. Bedford has authored some 150 peer reviewed articles, including several book chapters, and is an inventor on two patents.