Ben Mottelson, University of Copenhagen (IMAGE) University of Copenhagen Caption A professor at the Niels Bohr Institute, Ben Mottelson, has been appointed as a member of the distinguished American Philosophical Society. Credit Niels Bohr Institute Usage Restrictions Credit: Niels Bohr Institute 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.