Prof. Dr. Joachim Schultze, Patrick Günther and Dr. Andreas Schlitzer, University of Bonn (image) University of Bonn Share Print E-Mail Caption Prof. Dr. Joachim Schultze, Patrick Günther and Dr. Andreas Schlitzer from LIMES-Institute at University of Bonn. Credit © Photo: Volker Lannert/Uni Bonn Usage Restrictions This photo may be used with the press release. Share Print E-Mail 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.