Dale FergusonDale C. Ferguson received the Ph.D. degree from The University of Arizona, Tucson, in 1974. He is currently the Lead for Spacecraft Charging Science and Technology with the Space Vehicles Division, Air Force Research Laboratory (AFRL), Kirtland Air Frce Base, Albuquerque, NM. For nearly 40 years, he has been addressing spacecraft charging problems, first with the NASA and now with AFRL. He is the author of more than 200 publications. He has been the Principal Investigator on numerous spaceflight experiments, including the Wheel Abrasion Experiment on the Mars Pathfinder Sojourner Rover. Read More Read Less