News & Events Recent NewsUpcoming EventsThe Stanford Physics Department Annual Newsletter - 2023/24Annual EventsPhD DefensesSpecial Events Toggle Special Events The Stanley Wojcicki Memorial Service and Scientific SymposiumCommencement 2024Past EventsApplied Physics/Physics Colloquium Toggle Applied Physics/Physics Colloquium Guidelines for HostsGuidelines for SpeakersColloquia Archives Robert Hofstadter Memorial Lecture Series Riccardo Giacconi Date Mon March 30th 1998, 8:00pm