Charles D. Cashdollar (b. 1943) received his doctorate from the University of Pennsylvania in 1969. He is University Professor Emeritus at Indiana University of Pennsylvania. He is the author of The Transformation of Theology: Positivism and Protestant Thought in Britain and America, 1830-1890 (1989) and A Spiritual Home: Life in British and American Reformed Congregations, 1830-1915 (2000). Currently, he is at work on a history of Indiana University of Pennsylvania from its founding to the present.