Dr. James Walker (IMAGE) Southwest Research Institute Caption SwRI’s Dr. James Walker has received the Distinguished Scientist Award from the Hypervelocity Impact Society in recognition of his wide-ranging contributions to hypervelocity impact phenomena research. Credit Southwest Research Institute Usage Restrictions Images/Videos may be used by the public for educational and informational purposes only. License Original 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.