John Huang, PhD, has been with the Jet Propulsion Laboratory, California Institute of Technology, since 1980, where his research activities involve microstrip antennas, mobile vehicle antennas, antenna miniaturization techniques, spacecraft antennas, phased arrays, reflectarrays, and inflatable antennas. He pioneered the development of several major antenna technologies, such as the microstrip reflectarray and the inflatable array antenna. Dr. Huang, an IEEE Fellow, has published extensively and received four U.S. patents and more than twenty NASA Certificates of Recognition.