Professor Keppel has taught in the Department of History at the University of Oklahoma since 1994. His first book, The Work of Democracy: Ralph Bunche, Kenneth B. Clark, Lorraine Hansberry and the Cultural Politics of Race (Harvard University Press, 199) examined the selective appropriation and celebration of certain American icons of racial equality. In 2007, Keppel and Jonathan Scott Holloway co-edited volume of essays titled Black Scholars on the Line: Race, Segregation and American Social Thought in the Twentieth Century (Notre Dame University Press, 2007). This anthology highlighted the distictibve contributions of scholars working at HBCUs during the era of academic segregation to American social science.
Keppel's next book, Brown v. Board and the Transformation of American Culture, will be published later this year by Louisiana State University Press.. . He received his Ph.D. from the University of California, Los Angeles in 1992.