Dr. E. Leonard Jossem is Professor of Physics, Emeritus, in the Department of Physics of The Ohio State University. He received his B.S. in Physics from C.C.N.Y. in 1938. During World War II he was a member of the scientific staff at Los Alamos in the Advanced Developments Division. He received his Ph.D. from Cornell University in 1950, his research field being Condensed Matter Physics. In 1956 he joined the physics faculty at The Ohio State University. He was chairman of the Department of Physics there from 1967 to 1980, and in 2001 received the University Distinguished Service Award. He is a Fellow of the American Physical Society and of the New York Academy of Sciences. He is also a Fellow of the American Association for the Advancement of Science, a Fellow of the Institute of Physics (London), and a Fellow of the Royal Society of Arts (London). He has had a long and continuing interest in physics education, having served as Executive Secretary of the Commission on College Physics (1963-1965), and as Chairman of the Commission (1966-71). He is Past -President of the American Association of Physics Teachers, which has honored him with its Phillips Medal and its Oersted Medal. Currently he is Chair of the AAPT Committee on Teacher Preparation. He is Past-Chairman of C-14, the International Commission on Physics Education of the International Union of Pure and Applied Physics, and a former member of the Committee on the Teaching of Science of the International Council of Scientific Unions. He has been a consultant for UNESCO projects in Thailand, and a consultant for the World Bank-Chinese University Development Project in China. He holds Honorary Professorships in Physics at Beijing Normal University, at Beijing Teachers College, and at Southeast University in Nanjing, China.