Bachelor, Pomona College, 1961. Doctor of Philosophy, University Michigan, 1965.
Adviser, acting director Economic Development Institute, University Nigeria, Enugu, 1965-1967. Assistant professor economics Michigan State University, East Lansing, 1967-1969, chairman economics department, 1969-1974, professor economics, since 1972, director off-farm employment project, 1977-1983, director small enterprises approach to development project, since 1982. Consultant in field. National Defense Education Act fellow, 1961-1965, Yale University visiting fellow, 1974, Sussex (United Kingdom) University visiting fellow, 1975.
Chairman selection committee International Doctoral Research Fellowship Program for Africa, Social Science Research Council, 1977-1978.
Fellow African Studies Association. Member American Economics Association, Nigeria, Royal economic societies, United States Agency for International Development (research advisory committee), Phi Beta Kappa. Clubs: California Cello, Ann Arbor Track.
Married Margaret Edith Osgood, November 29, 1963. Children: Kathleen Elizabeth, Erik Allen.