Sung Lee received his Ph.D. in aeronautics and astronautics at the Massachusetts Institute of Technology. He is a professor in the Department of Aerospace Engineering at the University of Maryland, College Park, where he teaches courses in vibration and aeroelasticity, computational structural mechanics, and nonlinear finite element analysis. Norman Wereley earned his Ph.D. in aeronautics and astronautics at the Massachusetts Institute of Technology. He is the Minta Martin Professor and served as chair of the Department of Aerospace Engineering at the University of Maryland, College Park. Dr. Wereley holds numerous patents and is the editor of Journal of Intelligent Material Systems and Structures.