Piotr J. Malysz is assistant professor of divinity in history and doctrine at Beeson Divinity School, Samford University in Birmingham, Alabama. He is the author of Trinity, Freedom, and Love: An Engagement with the Theology of Eberhard Jungel (2012), and articles on Pseudo-Dionysius, Luther, Hegel, Barth, and the Lutheran tradition more broadly.
Derek R. Nelson is associate professor of religion at Wabash College in Crawfordsville, Indiana and director of the Wabash Pastoral Leadership Program. He is the author of Sin: A Guide for the Perplexed (2011) and coauthor with Timothy F. Lull of Resilient Reformer: The Life and Thought of Martin Luther (Fortress Press, 2015).