Bachelor of Science, Civil Engineering, University North Dakota, 1953. Master of Science in Civil Engineering, University North Dakota, 1954. Doctor of Philosophy in Civil Engineering, Lehigh University, 1959.
Doctor honoris causa, Technology University, Budapest, 1982. Doctor of Philosophy (honorary), University North Dakota, 1998. Doctor of Science (honorary), University Minnesota, 2001.
From assistant to associate professor сivil engineering, Lehigh University, Bethlehem, Pennsylvania, 1959-1965; professor, Washington University, St. Louis, 1965-1981; head department, Washington University, St. Louis, 1970-1978; professor, University of Minnesota, Minneapolis, 1981-1996; emeritus professor, University of Minnesota, Minneapolis, since 1997. Construction engineering Steel Joist Institute, Myrtle Beach, South Carolina., since 1965. Visiting professor United States Military Academy, West Point, 1990.
Served with United States Army, 1954-1956. Member American Society of Civil Engineers (honorary, Norman medal 1983, Shortridge Hardesty award 1988, Electrical Engineer Howard award 1992, OPAL award 2002, Walter P. Moore award 2004, Nathan M. Newmark medal 2004), National Academy of Engineering, International Association Bridge and Structural Engineers.
Married Barbara Ann Asp, June 25, 1957. Children: Paul, Ruth, Ronald, John.