EntityQ929918· pop 12· linked from 420 articlesIsaac LeaSign in to saveAmerican geologist and Philadelphia publisher (Carey & Lea)ConnectionsAmerican Philosophical SocietyEntityAcademy of Natural Sciences of Drexel UniversityEntityWashington, D.C.EntityEdgar Allan PoePersonPhiladelphiaEntityReptiliaEntityAmphibiaEntityInternational Standard Book NumberEntityMolluscaEntitygenusEntitypublic domainEntityAlbert A. MichelsonEntityRobert A. MillikanEntityInternational Standard Serial NumberEntityMargaret MeadEntityWilmingtonEntityDevonianEntityArthur Holly ComptonEntityWar of 1812EntityInternet ArchiveEntityCategories1792 births1886 deaths19th-century American geologists19th-century American male writers19th-century QuakersAmerican businesspeople in the coal industryAmerican company foundersAmerican conchologistsAmerican publishers (people)American QuakersAmerican science writersBurials at Laurel Hill Cemetery (Philadelphia)