Ronald K. Rittgers (B.A., Wheaton College; M.T.S., Regent College; Ph.D., Harvard University) is Professor of the History of Christianity at Duke Divinity School, where he also holds the Chair in Lutheran Studies. Ron is a Reformation scholar with a special interest in the history of theology and devotion. In addition to many articles and book chapters, he is the author of The Reformation of the Keys: Confession, Conscience, and Authority in Sixteenth-Century Germany (2004); The Reformation of Suffering: Pastoral Theology and Lay Piety in Late Medieval and Early Modern Germany (2012); The Reformation Commentary on Scripture: Hebrews and James (2017); A Widower’s Lament: The Pious Meditations of Johann Christoph Oelhafen (2021). He is also a co-editer of the volume Protestants and Mysticism in Reformation Europe (2019). Ron has served as the President of the American Society of Church History.