EntityQ142049· pop 32· linked from 546 articlesRalph Asher AlpherSign in to saveAmerican cosmologist (1921–2007)Connectionscosmic microwave backgroundEntityArno Allan PenziasEntityNational Academy of SciencesEntityYakov ZeldovichEntityDiscoverEntityAlbert EinsteinPersonIsaac NewtonPersonWashington, D.C.EntityWorld War IIConceptGalileo GalileiEntityuniverseEntityNew JerseyEntitylightEntityNicolaus CopernicusEntityheliumEntityStephen HawkingPersonJohannes KeplerEntityBig BangEntityGreek alphabetEntityAustinEntityCategories1921 births2007 deaths20th-century American astronomers20th-century American physicistsAmerican agnosticsAmerican cosmologistsAmerican humanistsAmerican people of Russian-Jewish descentColumbian College of Arts and Sciences alumniFellows of the American Academy of Arts and SciencesGeorge Washington University alumniJewish agnostics