Presentation of Plaque (IMAGE) DOE/Princeton Plasma Physics Laboratory Caption PPPL Director Steve Cowley, left, accepts plaque designating laboratory an historic landmark from Bob Simmons, past president of ASME and former PPPL engineer. Credit Elle Starkman/PPPL Office of Communications 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.