Award Lei-Cheng (image) DOE/Argonne National Laboratory Share Print E-Mail Caption Lei Cheng, Argonne assistant chemist, presents to Chicago-area students. Cheng received the 40 Under 40 Award from Midwest Energy News in September. Credit Argonne National Laboratory Usage Restrictions None Share Print E-Mail 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.