People United States of America Matthew R. Halley peoplepill id: matthew-r-halleyMRH 5 views today 5 views this weekUS ornithologistMatthew R. HalleyBiographyListsAlso ViewedThe basicsQuick FactsIntroUS ornithologistPlacesUnited States of AmericaListsMatthew R. Halley is in following listsBy work and/or countryNotable American people comments so far.CommentsMatthew R. Halley