Bachelor of Science, Cornell University, 1948. Master in Mechanical Engineering, Cornell University, 1952. Doctor of Philosophy in Engineering Science, California Institute of Technology, 1954.
Instructor applied mechanics California Institute of Technology, Pasadena, 1952-1954, from assistant professor to associate professor, 1954-1962, professor applied mechanics, from 1962. Consultant engineer Jas Howden & Company, Scotland, 1949-1951, 54-55, North America Electronics, 1955-1958, Aeronautical Engineering Research Inc., 1958-1962, Inca, Inc., 1962-1968, Jet Propulsion Laboratory, since 1969, Tetra-Tech Inc., since 1970.
Member American Association for the Advancement of Science, American Mathematics Society, Society Industrial and Applied Mathematics, Seismological Society of America, Sigma Xi.