title: Obituary: Wolfgang K. H. Panofsky (1919-2007).
authors.affiliation: Sidney D. Drell is professor emeritus of the Stanford Linear Accelerator Center, Stanford University, Menlo Park, California 94025, USA, and a senior fellow of the university's Hoover Institution.drell@slac.stanford.edu.
authors.forename: Sidney D
authors.initials: SD
authors.lastname: Drell