Simon J.G. Burton is John Laing Senior Lecturer in Reformation History at the School of Divinitz in Edinburgh. Michael Choptiany is Assistant Professor at the Faculty of Artes Liberales of the University of Warsaw. Dr. habil. Piotr Wilczek is Professor Ordinarius at the Faculty of Artes Liberales of the University of Warsaw, Poland. Dr. theol. Herman J. Selderhuis is Professor of Church History at the Theological University of Apeldoorn, Director of Refo500, Scientific Curator of the Johannes a Lasco Library, and President of the International Calvin Congress.