Awards
- Hall of Fame, Elizabeth Forward High School (Pennsylvania), 2005.
- Research Professorship, Social and Behavioral Sciences, University of Arizona, 2003-2004.
- University Distinguished Professor, University of Arizona, 2000.
- The American Political Science Association and Pi Sigma Alpha Award for Outstanding Teaching in Political Science, August 30, 2000.
- Honorable Mention, Outstanding Book Award of the Gustavus Myers Center for the Study of Bigotry and Human Rights in North America for The Lineaments of Wrath, 1999.
- Senior Fulbright Scholar, University College Cork, Ireland, 1999.
- Readers’ Favorite Books on Arizona, Arizona Humanities Council for Last Rampage, 1998.
- Mortar Board National Senior Honor Society Award (for teaching), University of Arizona, 1997-1998.
- Who’s Who in America (since 1988).
- Social and Behavioral Sciences Award for Outstanding Teaching, University of Arizona, 1995-1996.
- Udall Fellowship, University of Arizona, 1993-1994,
- Research Professorship, Social and Behavioral Sciences, University of Arizona, 1992-1993.
- Social and Behavioral Sciences Award for Outstanding Teaching, University of Arizona, 1990-1991.
- Nominee, Pulitzer Prize (general nonfiction) for On Being Mad Or Merely Angry, 1990.
- Golden Key National Honor Society Award (for teaching and scholarship), University of Arizona, 1988-1989.
- “Best Professor,” Arizona Daily Wildcat, University of Arizona, April 6, 1989.
- Finalist, Five Star Faculty Teaching Award, University of Arizona, 1988-1989.
- “Best Books of the Southwest, 1988,” Arizona Daily Star for Last Rampage.
- The Burlington Northern Foundation Faculty Achievement Award for Excellence in Teaching, University of Arizona, 1986-1987.
- Nominee, Five Star Faculty Teaching Award, University of Arizona (since 1983)
- Nominee, Pulitzer Prize (history) for American Assassins, 1982.
- Nominee, American Book Award (history) for American Assassins, 1982.
- “Notable Books of the Year,” New York Times Book Review for American Assassins, 1982.
- Dissertation Fellow, National Institutes of Health, Pennsylvania State University, 1967-1968.
- James Gillespie Blaine Prize (political science), Washington and Jefferson College, 1962.
- Matthew Brown Ringland Prize (social sciences), Washington and Jefferson College, 1962.
- National Defense Scholarship, Washington and Jefferson College, 1959-1962