People Pierre Willien peoplepill id: pierre-willienPW 4 views today 4 views this weekPierre WillienBiographyListsAlso ViewedThe basicsQuick FactsisZoologist EntomologistWork fieldBiologyGenderMaleListsPierre Willien is in following listsBy field of workNotable biologistsGender:MaleBy work and/or countryNotable ZoologistsGender:MaleNotable EntomologistsGender:Male comments so far.CommentsPierre Willien