Krishna Kumar is an India-born American nuclear physicist dedicated to the peaceful uses of Nuclear Energy. He came to USA in the nineteen-fifties for earning his Ph.D. He has authored two research monographs and over a hundred articles. He is married to a wonderful lady from Pennsylvania. They have two marvelous sons. The older of them, Jai Robert Kumar, is the coauthor of this book. He is a pediatrician who majored in French and wrote his Master's thesis on French literature. He is married to a gifted flutist.