EntityQ530123· pop 18· linked from 487 articlesDaniel KleppnerSign in to saveAmerican physicist (1932–2025)ConnectionsUniversity of CambridgeEntityMassachusetts Institute of TechnologyEntityDoctor of PhilosophyEntityNorman Foster RamseyEntityAtomic, molecular, and optical physicsEntityBenjamin Franklin MedalEntityEnglandEntityYouTubeConceptStephen HawkingPersonInternational Standard Book NumberEntityrubidiumEntityHarvard UniversityEntityThe New York TimesEntityWayback MachineEntitydigital object identifierEntityInternational Standard Serial NumberEntityPalo AltoEntityThe Washington PostEntityPeter HiggsEntityRoger PenroseEntityCategories1932 births2025 deaths20th-century American physicists21st-century American physicistsAmerican optical physicistsBenjamin Franklin Medal (Franklin Institute) laureatesFellows of the American Physical SocietyHarvard University alumniMembers of the American Philosophical SocietyMembers of the French Academy of SciencesMembers of the United States National Academy of Sciences