Gregory LyzengaProfessor of Physics Gregory Lyzenga (NAR #13295) is Professor of Physics at Harvey Mudd College since 1990 and a research scientist at Jet Propulsion Laboratory since 1980. He has been a NAR member since 1969 and is HPR certified Level 3. He is a board member and vice president of ROC. He serves as a rocketry mentor and merit badge advisor for BSA and 4-H. Codename: The Professor | 