Cyril Levitt (Ph.D., Freie Universität Berlin) is professor and a past chair in the Department of Sociology at McMaster University in Canada. A fellow of the Alexander von Humboldt Foundation, he has been a visiting professor at the Freie Universität Berlin and the Hebrew University, Jerusalem.Sabine Sander (Ph.D., Leipzig University; Habilitation, University of Coblenz-Landau) is an academic research associate and former visiting professor at McMaster University. She is the editor of Language as Bridge and Border (2015), and the author of Dialogische Verantwortung (2017), as well as of numerous articles in journals and books.