From JLab_News https://twitter.com/JLab_News on Twitter: Happy Birthday to James D. Bjorken, @SLACLab theoretical physicist whose many scientific contributions have enabled research here and at many other nuclear and particle physics facilities worldwide! https://twitter.com/JLab_News/status/1275165669361926148/photo/1 https://chirp.cooleysekula.net/attachment/65749