Sonja Lavaert is Professor of Philosophy at the Vrije Universiteit Brussel. She has published on political philosophy, early modern and enlightenment philosophy, i.a. Spinoza and Machiavelli, including Het perspektief van de multitude (Brussels, 2011).
Winfried Schröder is Professor of Philosophy at Marburg University. He has published on early modern and enlightenment philosophy, Spinoza in der deutschen Frühaufklärung, (Würzburg, 1987); Ursprünge des Atheismus, (2nd ed. Stuttgart, 2012), philosophy of religion, Gestalten des Deismus, (Wiesbaden, 2010); Athen und Jerusalem, (Stuttgart, 2013), the history of moral philosophy, Moralischer Nihilismus, (2nd ed. Stuttgart, 2005), and the historiography of philosophy, Reading between the Lines. Leo Strauss and the History of Early Modern Philosophy, (Boston and Berlin, 2015). He is editor of the Traité des trois imposteurs (3rd ed. Hamburg, 2010) and the series Philosophische Clandestina der deutschen Aufklärung, (Stuttgart, 1994).