Prof. Dr. Jan Delhey (IMAGE) Otto-von-Guericke-Universität Magdeburg Caption Prof. Dr. Jan Delhey is the first author the Chair for Macrosociology at the University of Magdeburg Credit Harald Krieg Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.