Crabtree (IMAGE) DOE/Argonne National Laboratory Caption George Crabtree was a senior scientist and distinguished fellow at Argonne and a distinguished professor of physics and electrical and mechanical engineering at UIC. Credit (Image by Argonne National Laboratory.) Usage Restrictions none 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.