Bachelor of Science in Aeronautical Engineering, Massachusetts Institute of Technology, 1948.
Wind tunnel test project engineer Wright Patterson Air Force Base, Dayton, Ohio, 1948-1953. Senior engineer FJ-4 project North America Aviation, Columbus, 1953-1957, supervisor A-5 fly qual. & basic aeronautical, 1957-1960, senior project engineer A-5 aeronautical thermo., 1961-1965.
Chief aircraft aerodyns. North America Rockwell, 1965-1968, project engineer advanced A-5 concepts, 1971-1974, supervisor v/stol aerodyns., 1975-1982, senior technical specialist oblique wing project, 1983-1986. President North America Aeronautical Consultant, since 1986.
Chief aerodyns. Gates Learjet Corporation, Wichita, Kansas, 1969-1970.
Associate fellow American Institute of Aeronautics and Astronautics (treasurer Columbus section since 1988, Columbus section chairman 1995-1997).
Married Bernice Mildred Weiner, June 25, 1950. Children: Melanie Mark Ullman, Marci Mark Taylor, Mindy Mark Schifberg.