Dirk Hanschel, Martin-Luther-Universität Halle-Wittenberg (IMAGE) Martin-Luther-Universität Halle-Wittenberg Caption This is Prof. Dr. Dirk Hanschel. Credit MLU / Maike Glöckner Usage Restrictions Use for covering the release, with appropriate credit. 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.