Joseph A. Angelo, Jr., a retired U.S. Air Force officer (lieutenant colonel), is currently a consulting futurist and technical writer. He has a PhD in nuclear engineering from the University of Arizona and served as a nuclear research officer in the U.S. Air Force (1967-1987) in a variety of scientific positions involving nuclear weapons development and nuclear treaty monitoring. He is also an adjunct professor in the College of Engineering at Florida Tech, specializing in nuclear radiation protection and waste management. Dr. Angelo is the author of 15 other technical books, including Space Technology and Nuclear Technology.