Peter J. Stang, University of Utah (IMAGE) University of Utah Caption University of Utah chemist Peter J. Stang has won the 2013 Priestley Medal, the highest honor from the American Chemical Society, the world's largest scientifc group. Credit Lawrence Boye, University of Utah Usage Restrictions None 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.