2025-WILLIAM-J.-WELCH-POSTDOCTORAL-FELLOWSHIP-1 copy (IMAGE) SETI Institute Caption William J. Welch and the Allen Telescope Array Credit SETI Institute Usage Restrictions None 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.