Mario De Pillis

Mario S. De Pillis was an emeritus professor of American Religious history at the University of Massachusetts Amherst. De Pillis specialized in the history of such groups as the Latter-day Saints and Shakers. He was the second president of the Mormon History Association who was not a member of The Church of Jesus Christ of Latter-day Saints, any other Latter-day Saint movement church, or a former member of any such church.
De Pillis had a bachelor's and master's degree from the University of Chicago and a Ph.D. from Yale University.
De Pillis and his wife, the former Freda M. Rustemeyer, were the parents of three sons. De Pillis was a Catholic.