John McDowell, Virginia Tech (image) Virginia Tech Caption John McDowell is an associate professor of plant pathology in the College of Agriculture and Life Sciences at Virginia Tech. Credit Virginia Tech Photo Usage Restrictions Photo may be used with any article, report, or discussion of Dr. McDowell's research. 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.