People United States of America Paul J. Greenfield peoplepill id: paul-j-greenfieldPJG 8 views today 8 views this weekPaul J. GreenfieldBiographyListsAlso ViewedListsPaul J. Greenfield is in following listsBy field of workNotable American biologistsGender:MaleNotable American scientistsGender:MaleBy work and/or countryNotable American ZoologistsGender:MaleNotable American ScientistsGender:MaleFrom our partnersSponsoredPaul J. Greenfield