Evolutional cell biologist (IMAGE) University of Massachusetts Amherst Caption Lillian Fritz-Laylin is a professor of biology in the College of Natural Sciences at the University of Massachusetts Amherst. Credit UMass Amherst 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.