Chris Thornton, University of Exeter (IMAGE) University of Exeter Caption Professor Chris Thornton, a scientist from the University of Exeter, has developed a simple, cheap and highly accurate device for diagnosing a frequently fatal lung disease which attacks immune deficient individuals such as cancer patients and bone marrow transplant recipients. Credit University of Exeter 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.