Steven Little, Ph.D. (IMAGE) University of Pittsburgh Caption Steven Little, Ph.D, distinguished professor and chair of the Department of Chemical and Petroleum Engineering in the Swanson School of Engineering and member of the McGowan Institute for Regenerative Medicine Credit University of Pittsburgh Swanson School of Engineering Usage Restrictions For use with release License Original 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.