Detlef Pollack is Professor of Sociology of Religion at Münster University. He is speaker of the Cluster of Excellence "Religion and Politics in Modern und Premodern Cultures" at Münster University. His research focuses on religious change in Western and Eastern Europe and in the US and political culture in Eastern and Central East Europe. His publications include The Role of Religion in Modern Societies (co-edited with Daniel V. A. Olson; Routledge, 2011) and Handbuch Religionssoziologie (Springer, 2017). Gergely Rosta was Research Fellow at Münster University from 2009 to 2017. He is currently Associate Professor in Sociology at the Pázmány Péter Catholic University in Budapest. His research interests include religious change in Central and Eastern Europe, youth religiosity, and quantitative research methods.