مؤلف: Jochen Dreher

Heinrich Popitz (1925–2002) was professor of sociology and founding director of the Institute for Sociology at the University of Freiburg. In 1971-72, he was Theodor Heuss Professor at the New School for Social Research.Gianfranco Poggi is professor of sociology at the University of Trento and emeritus professor of sociology at the University of Virginia and the European University Institute.