Bachelor of Science, Massachusetts Institute of Technology, 1951; Doctor of Science, Massachusetts Institute of Technology, 1955.
Engineer, Shell Development Company, Emeryville, California, 1955-1961; honorary research associate, University College London, 1961-1962; research associate, Technische Hogeschool, Eindhaven, The Netherlands, 1962-1964; professor chemical engineering, University of Michigan, Ann Arbor, since 1964. Consultant in field.
President Michigan Karst Conservancy, Ann Arbor, since 1983. Fellow Explorers Club (secretary Great Lakes chapter 1985-1991). Member American Association for the Advancement of Science, American Chemical Society, American Institute Chemical Engineers, American Society for Engineering Education, International Association for Mathematics Geology, Michigan Basin Geological Society, Cave Research Foundation, Karst Waters Institute (board directors since 1991, executive secretary since 1993), National Speleological Society (honorary, board directors 1958-1961, 67-70, 74-89, president 1970-1974, treasurer section geological-geografic 1975-1985), Sigma Xi (vice president chapter 1989-1991), Tau Beta Pi, Alpha Chi Sigma.
Married Katherine Ide, June 26, 1954 (divorced 1961). Children: Stefan Luther, Jocelyn Chandler. Married Shirley Richardson, September 26, 1963 (divorced 1976).
Married Alice Rolfes, February 27, 1982. 1 child, Vittoria Sarah.