Steven Wilhelm (IMAGE) University of Tennessee at Knoxville Caption Steven Wilhelm, the Kenneth and Blaire Mossman Professor of Microbiology at the University of Tennessee, Knoxville. Credit The University of Tennessee, Knoxville Usage Restrictions Credit: The University of Tennessee, Knoxville 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.