Barry Voight, Barry Voight (IMAGE) Penn State Caption This is Barry Voight, professor emeritus of geology and geological engineering, Penn State. Credit Barry Voight, 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.