Mathias Albert is a professor of political science at the Faculty of Sociology at Universität Bielefeld, and one of the directors of the Institute for World Society Studies. His research is on the history and sociology of world politics, on youth, as well as on the politics and science of the polar regions. Heidi Tworek is Canada Research Chair and professor in history and public policy at the University of British Columbia, Vancouver, Canada, where she directs the Centre for the Study of Democratic Institutions. She is a fellow of the Royal Historical Society and the College of New Scholars, Scientists, and Artists at the Royal Society of Canada. Her research examines the history and policy of new communications technologies. Tobias Werron, geb. 1970, ist Professor für Soziologische Theorie und Allgemeine Soziologie. In seiner Forschung beschäftigt er sich vor allem mit historisch-soziologischen Themen, insbesondere Konkurrenz, Nationalismus und Globalisierung.