Ishwar Puri, Virginia Tech (IMAGE) Virginia Tech Caption Ishwar Puri, professor and head of the engineering science and mechanics department at Virginia Tech, is a member of the research team that introduced thermotherapy to destroy cancer cells. Credit Virginia Tech Photo Usage Restrictions the photo may be used when discussing Dr. Puri's work at Virginia Tech 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.