People Netherlands William Hayden peoplepill id: william-hayden-1WH 5 views today 15 views this weekDutch entomologistWilliam HaydenBiographyListsAlso ViewedListsWilliam Hayden is in following listsBy field of workNotable Dutch biologistsBy work and/or countryNotable Dutch EntomologistsFrom our partnersSponsoredWilliam Hayden