Norbert Koch, University of Bonn (IMAGE) University of Bonn Caption This is professor Dr. Norbert Koch from the Institute for Genetics, Department of Immunobiology at the University of Bonn. Credit Barbara Frommann/Uni Bonn Usage Restrictions The photo may be used with the press release. 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.