Robert Kolb is professor of systematic theology emeritus at Concordia Seminary, Saint Louis. He is the coeditor of the translation of the Book of Concord (2000) and of the Oxford Handbook of Martin Luther's Theology (2014). He has authored Luther's Wittenberg World (2018), Martin Luther and the Enduring Word of God (2016), Luther and the Stories of God (2012), and Martin Luther: Confessor of the Faith (2009).