Keith J HardmanKeith J. Hardman, Professor of Philosophy and Religion Emeritus at Ursinus College, is a recognized authority on mass evangelism and awakenings in North America. In addition to writing the issue of 'Christian History' magazine devoted to this topic, e is the author of the definitive biography 'Charles Grandison Finney, 1792-1875: Revivalist and Reformer' and 'Issues in American Christianity'. Read More Read Less