▁He yl man ' s ▁career ▁was ▁most ▁pro l ific ▁during ▁the ▁ 1 9 6 0 s ▁and ▁ 1 9 7 0 s ▁where ▁his ▁main ▁body ▁of ▁work ▁was ▁done ▁in ▁the ▁modern ist ▁style , ▁design ing ▁numerous ▁resident ial ▁houses , ▁a partment ▁buildings , ▁and ▁architect ural ▁emb ell ish ments . ▁Some ▁of ▁his ▁most ▁not ew orth y ▁works ▁in ▁Sp ok ane ▁include ▁The ▁Park ade , ▁Sp ok ane ▁International ▁Airport , ▁Sp ok ane ▁Regional ▁Health ▁Building , ▁and ▁the ▁Bur ling ton ▁Northern ▁L ata h ▁Creek ▁Bridge ▁over ▁H ang man ▁Valley . ▁ ▁Other ▁well - re present ed ▁architect ural ▁styles ▁dow nt own ▁include ▁Art ▁Dec o ▁( Sp ok ane ▁City ▁Hall , ▁Paul sen ▁Center , ▁Fox ▁Theater , ▁City ▁R amp ▁Gar age ), ▁Renaissance ▁Rev ival ▁( Ste am ▁Plant ▁Square , ▁Thomas ▁S . ▁F ole y ▁Cour th ouse , ▁San ▁Marco ), ▁Ne oc lass ical ▁( M ason ic ▁Center , ▁H utton ▁Building , ▁B ing ▁C ros by ▁Theater ), ▁Chicago ▁School ▁( U . S . ▁Bank ▁Building , ▁Liber ty ▁Building , ▁Old ▁City ▁Hall ) ▁and ▁Modern ist ▁( The ▁Park ade , ▁R id path ▁Hotel , ▁Bank ▁of ▁America ▁Fin an cial ▁Center ). ▁The ▁tall est ▁building ▁in ▁the ▁city , ▁at ▁, ▁is ▁the ▁Bank ▁of ▁America ▁Fin an cial ▁Center . ▁Also ▁of ▁note ▁is ▁the ▁Sp ok