Manfred Svensson is Professor of Philosophy at the University of the Andes, Chile. His research has focused on Augustine, the idea of things indifferent (adiaphora), and on the history of toleration. His most recent book is Reforma protestante y tradición intelectual cristiana.

David VanDrunen is the Robert B. Strimple Professor of Systematic Theology and Christian Ethics at Westminster Seminary California. He is the author or editor of ten books, including Divine Covenants and Moral Order: A Biblical Theology of Natural Law.