People United States of America William Leonard Heydt peoplepill id: william-leonard-heydtWLH 6 views today 6 views this weekMayor of Allentown, PennsylvaniaWilliam Leonard HeydtBiographyListsAlso ViewedListsWilliam Leonard Heydt is in following listsBy work and/or countryNotable American MayorsGender:Male, Born in:Years 1930 to 1969From our partnersSponsoredWilliam Leonard Heydt