EntityQ1608008· pop 10· linked from 161 articlesHerbert CallenSign in to saveAmerican physicist (1919–1993)ConnectionsPhiladelphiaEntityInternational Standard Book NumberEntityAlzheimer's diseaseEntityMassachusetts Institute of TechnologyEntitydigital object identifierEntityManhattan ProjectEntityUniversity of PennsylvaniaEntityspinEntityLars OnsagerEntityDoctor of PhilosophyEntitybibcodeEntityNational Academy of SciencesEntitythesisEntityKonstantinos CarathéodoryEntityreversible processEntityTemple UniversityEntityRichard Chace TolmanEntityGreen's functionEntityJohnson–Nyquist noiseEntityGuggenheim FellowshipEntityCategories1919 births1993 deaths20th-century American physicists20th-century American writersDeaths from Alzheimer's disease in PennsylvaniaDeaths from dementia in PennsylvaniaManhattan Project peopleMembers of the United States National Academy of SciencesMIT School of Science alumniScientists from PhiladelphiaTemple University alumniThermodynamicists