James A. Mahaffey, Ph.D., has more than 25 years' experience as a senior research scientist at the Georgia Tech Research Institute, where he was engaged in a wide variety of projects, ranging from theoretical mathematics to nuclear science. At the Georgia Institute of Technology, he completed undergraduate and master's studies and earned a doctorate there in nuclear engineering. He was director of a long-term project to design and build the Emergency Response Data System at Georgia Power's Plant Hatch nuclear power station. He has also worked on projects for the Defense Nuclear Agency, the National Ground Intelligence Center, and the Air Force Air Logistics Center.