Rosario Forlenza is Associate Professor of History and Political Anthropology in the Department of Political Science at Luiss University, Rome. He specializes in the history of modern Europe and Italy in its global implications. He has published six books and over forty peer-reviewed articles and chapters in The American Historical Review, Past & Present, Journal of Contemporary History and Contemporary European History. He is currently working on a comparative history of revolutions from the perspective of political anthropology, on the totalitarian experiences in interwar Germany, Italy, and Russia, and on the global history of Christian Democracy. Bjørn Thomassen is Professor of Social Science in the Department of Social Sciences and Business at Roskilde University. Working between sociology, anthropology, and history, he has published widely across the social sciences on topics related to social theory, the history of anthropological thought, liminality and change, political revolutions, religion and ritual, nationalism, and borders and boundaries. He is currently leading a research project on global Catholicism, with a focus on Catholic migrant communities in a Danish and Scandinavian context, 'The Catholic Ethic and the Spirit of Global Modernities'.