Russell J. Donnelly, University of Oregon (IMAGE) University of Oregon Caption Russell J. Donnelly, a physicist at the University of Oregon, revisited a cryogenic approach he'd devised in the 1960s to determine its potential effectiveness to remove dangerous emissions from coal-fired electrical plants. Credit University of Oregon 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.