People United States of America Francis J. McMahon peoplepill id: francis-j-mcmahon-1FJM 7 views today 10 views this weekAmerican psychiatric geneticistFrancis J. McMahonBiographyListsAlso ViewedListsFrancis J. McMahon is in following listsBy field of workNotable American biologistsGender:MaleNotable American scientistsGender:MaleBy work and/or countryNotable American ScientistsGender:MaleNotable American GeneticistsGender:MaleBy categoryAmerican geneticistsAmerican psychiatristsJohns Hopkins School of Medicine alumniJohns Hopkins University facultyNational Institutes of Health facultyFrom our partnersSponsoredFrancis J. McMahon