EntityQ362124· pop 30· linked from 562 articlesCharles Doolittle WalcottSign in to saveAmerican paleontologist and 4th Secretary of the Smithsonian (1850-1927)ConnectionspaleontologyEntityInternational Standard Serial NumberEntityUnited States Geological SurveyEntityNational Academy of SciencesEntitySamuel LangleyEntityCanadaCountryWashington, D.C.EntityWorld War IIConceptTheodore RooseveltPersonBritish ColumbiaEntityInternational Standard Book NumberEntityCalvin CoolidgeEntityRocky MountainsEntityWikisourceEntityfossilEntityAndrew CarnegieEntitydigital object identifierEntityAlbert A. MichelsonEntityRobert A. MillikanEntityMargaret MeadEntityCategories1850 births1927 deathsAmerican paleontologistsBotanists with author abbreviationsBurials at Rock Creek CemeteryCorresponding Members of the Russian Academy of Sciences (1917–1925)Corresponding members of the Saint Petersburg Academy of SciencesMembers of the American Philosophical SocietyPaleobiologistsPeople from New York Mills, New YorkPresidents of the American Association for the Advancement of Science