Bachelor, University of Chicago, 1951; Master of Arts, Columbia University, 1962; Doctor of Philosophy, University of California at Los Angeles, 1967.
Education officer, Northern Region Nigera, 1960-1961;
lecturer, Addis Ababa (Ethiopia) U., Addis Ababa, Ethiopia, 1967-1969;
assistant professor, Michigan State University, East Lansing, 1969-1972;
acting director African Studies Center, Michigan State University, East Lansing, 1970-1971;
visiting senior lecturer, The Hebrew U. Jerusalem, 1972-1973;
senior lecturer, Tel Aviv. U., 1979-1980;
senior lecturer, The Hebrew U. Jerusalem, 1979-1982;
senior research fellow, 1979-1980;
senior lecturer, Ahmadu Bello U., Zaria, Nigeria, 1973-1975;
chair history division, Ahmadu Bello U., 1973-1975;
senior lecturer, chair history division, U. Ibadan, Jos, Nigeria, 1975-1976;
visiting associate professor, Dartmouth College, Hanover, N.H., 1990-1991. Chairman Nigerian Universities Matriculation Board in History, 1974-1975.
Education officer northern region Nigeria, 1960-1961.
Chairman New York City Students for Stevenson, 1952. With United States Army, 1952-1954.
Married Helga Lore Brigitta Paula Frentzel-Beyme, May 10, 1962. Children: Joshua David, Gideon Samson.