People United States of America Jonathan Clark Oldham peoplepill id: jonathan-clark-oldhamJCO 3 views today 18 views this weekAmerican herpetologistJonathan Clark OldhamBiographyListsAlso ViewedListsJonathan Clark Oldham is in following listsBy field of workNotable American biologistsGender:MaleBy work and/or countryNotable American ZoologistsGender:MaleNotable American HerpetologistsGender:MaleFrom our partnersSponsoredJonathan Clark Oldham