Bachelor of Science in Aerospace Engineering, Georgia Institute of Technology, 1943. Master of Science in Aerospace Engineering, Georgia Institute of Technology, 1947. Doctor of Philosophy, Cornell University, 1951.
Research engineer, Office of Naval Research, Washington, 1951-1954;
supervisor aerophysics Research Institute, Illinois Institute Technology, Chicago, 1954-1958;
instructor calculus and fluid mechanics, Illinois Institute Technology, Chicago, 1956-1958;
president, Therm Advanced Research, Inc., Ithaca, New York, 1958-1968;
assistant head applied mechanics department, Calspan Corporation (formerly Cornell Aero. Laboratory), Buffalo, 1968-1970;
assistant head aerodynamic research department, Calspan Corporation (formerly Cornell Aero. Laboratory), Buffalo, 1970-1978;
head aerodynamic research department, Calspan Corporation (formerly Cornell Aero.
Laboratory), Buffalo, 1978-1980; director technical Arnold Engineering Development Center division, Calspan Corporation (formerly Cornell Aero. Laboratory), Tullahoma, Tennessee, 1980-1986; senior associate, Booz Allen & Hamilton, Huntsville, Alabama, 1986-1988; president, A. Ritter, Inc., Huntsville, since 1988. Visiting lecturer Cornell Univercity, 1965.
Instructor aerospace U. Alabama, Huntsville, 1985, 87, 88, Adjunct Professor aerospace engineering, since 1988. Executive director CalspanCtr. for Aerospace Research, U. Tennessee, 1984-1986, chairman national advisory board Space Institute, since 1987. Member governor's task force Southern Middle Tennessee High Technology Initiative, 1985-1986.
Reviewer Applied Mechanics Revs., 1955-1984. Presenter seminars many educational institutions.
Member Ithaca (New York ) Board Education, 1967. 2nd lieutenant United States Army Air Corps, 1943-1946. Fellow American Institute of Aeronautics and Astronautics (national vice president technical activities 1981-1985, board directors 1981-1985, member various committees, participant conferences).
Member American Association for the Advancement of Science (representative to atmospheric and hydrospheric science section 1978-1980), United States Air Force Association (president General H.H. Arnold chapter 1985-1986, medal of merit 1986), International Council Aeronautical Sciences, National Research Council (member earthquake engineering committee 1984, member assessment of national aeronautical wind tunnel facilities committee 1987-1988), Strategic Defense Initiative Organization (blue ribbon panel to review missile programs 1989, 92), New York Academy of Sciences, Rotary, Sigma Xi.
Married Joyce Rimer, June 15, 1947. Children: Michael Glenn, Erica Anne, Theodore William.