John Amann, Henrik Loos, Jerry Hastings and Jim Welch, SLAC National Accelerator Laboratory (image) DOE/SLAC National Accelerator Laboratory Share Print E-Mail Caption Part of the SLAC team who worked on self-seeding is shown alongside the hardware in the LCLS Undulator Hall. They are (from left to right) John Amann, Henrik Loos, Jerry Hastings and Jim Welch. Credit Photo by Matt Beardsley, SLAC National Accelerator Laboratory Usage Restrictions Credit required Share Print E-Mail 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.