People United States of America Roger Gregory peoplepill id: roger-gregoryRG 7 views today 8 views this weekAmerican scientistRoger GregoryBiographyListsAlso ViewedListsRoger Gregory is in following listsBy field of workNotable American scientistsGender:MaleBy work and/or countryNotable American ScientistsGender:MaleBy categoryUniversity of Michigan College of Literature, Science, and the Arts alumniFrom our partnersSponsoredRoger Gregory