People United States of America Gretchen Sibley peoplepill id: gretchen-sibleyGS 13 views today 13 views this weekAmerican zoologistGretchen SibleyBiographyListsAlso ViewedListsGretchen Sibley is in following listsBy field of workNotable American biologistsGender:Female, Born in:Years 1900 to 1929By work and/or countryNotable American ZoologistsGender:Female, Born in:Years 1900 to 1929By category1913 births2013 deathsAmerican women scientistsAmerican zoologistsMuseum peopleFrom our partnersSponsoredGretchen Sibley
