David Walt, Tufts University (IMAGE) Tufts University Caption David Walt, in his laboratory with Project Coordinator Meredith Knight, holds a number of faculty appointments across Tufts' schools. Credit Alonso Nichols, Tufts University Usage Restrictions Please credit Alonso Nichols, Tufts University 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.