Ken Weiss, Penn State (IMAGE) Penn State Caption This is Ken Weiss, Evan Pugh University Professor Emeritus, Penn State. Credit Patrick Mansell, Penn State Usage Restrictions non commercial use only 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.