Browse Items (1 total) Description is exactly "SPEAR videos of Helmut Wiedemann lectures. " Browse All Search Items Sort by: Title Creator Date Added 2021-003 SPEAR Videos SPEAR videos of Helmut Wiedemann lectures. Featured Item 2000-072 World Wide Web at SLAC, 1991-2000 (Special Collection) Papers, presentations, correspondence, etc. relating to the creation of SLAC's World Wide Web site, the first WWW site in the US. Includes SLAC…