Bachelor in Mathematics, University Kansas, 1972. Bachelor in Economic with honorary, University Kansas, 1972. Doctor of Philosophy in Applied Economics, State University of New York, Buffalo, 1979.
Systems engineer, Smoot Company, Kansas City, 1968-1970; assistant professor economics, University of Wisconsin, Parkside Kenosha, 1977-1980; research associate, Oak Ridge (Tennessee) National Laboratory, 1980-1982; leader demand analysis group, Oak Ridge (Tennessee) National Laboratory, 1982-1986; project manager, Battelle Columbus (Ohio) Division, 1986-1989; pres, Dan Hamblin & Associations, Inc., Conway, Arkansas, since 1989. Manager competitive assessment hydro-carbon substitutes for coke in ironmaking Gas Research Institute, since 1994. Assessor economics benefit and mortality risks of corn pesticides Ciba-Geiby Corporation, 1992-1994.
With United States Navy, 1961-1965. Member American Association for the Advancement of Science, American Economic Association, American Statistical Association, Operations Research Society of America, International Association Energy Economics, Iron and Steel Society, American Legion.
Married Rebecca Menn, December 6, 1969 (divorced August 1988). Children: Caroline Helen, David Thorpe. Married Judith Killen, November 21, 1990 (divorced March 1992).