An astronomy festival will mark the milestone.

Under his leadership, the lab diversified its research portfolio, expanded its science impact, advanced major projects, increased collaboration with Stanford and met the challenges of a global pandemic.

Nearly 200 guests attended a symposium on fundamental physics to celebrate the former deputy director’s numerous scientific contributions, which continue to have a tremendous impact on our understanding of the subatomic world.

An all-day symposium recognized the professor emeritus for his many contributions to the scientific community, from pioneering synchrotron radiation research at SSRL to making science policies on Capitol Hill.