B.S. West Virginia University, 1981
M.A. Fuller Theological Seminary, 1989
M.A. University of Notre Dame, 1990
Ph.D. University of Notre Dame, 1994
Professor Wigger's research interests focus on American religious and cultural history.
PTL: The Rise and Fall of Jim and Tammy Faye Bakker's Evangelical Empire. Oxford University Press. 2017
American Saint: Francis Asbury and the Methodists. Oxford University Press, 2009.
Taking Heaven by Storm: Methodism and the Rise of Popular Christianity in America, 1770-1820. Oxford University Press, 1998; paperback, University of Illinois Press, 2001.
Methodism and the Shaping of American Culture, co-edited with Nathan Hatch. Kingswood Books, 2001.