▁rough , ▁concrete ▁texture ▁and ▁is ▁the ▁tall est ▁portion ▁of ▁the ▁tower . ▁The ▁remaining ▁exterior ▁is ▁a ▁glass ▁panel ▁cur tain ▁wall . ▁The ▁west ▁leaf , ▁or ▁wing , ▁stand ▁at ▁ 3 4 ▁flo ors ▁followed ▁by ▁the ▁north ▁wing ▁at ▁ 3 8 ▁flo ors ▁and ▁the ▁east ▁wing ▁at ▁ 3 6 ▁flo ors . ▁ ▁Un like ▁many ▁traditional ▁sk ys c rap ers ▁with ▁zero - set back ▁ret ail / lo bb y ▁space ▁on ▁the ▁ground ▁floor , ▁access ▁to ▁the ▁tower ▁is ▁through ▁an ▁under ground ▁restaurant / ret ail ▁conc ourse ▁set ▁a ▁compar atively ▁large ▁distance ▁away ▁from ▁the ▁border ing ▁streets . ▁▁ ▁The ▁building ▁was ▁designed ▁by ▁the ▁prominent ▁Los ▁Angeles ▁architect ural ▁firm ▁Wel ton ▁Be cket ▁and ▁Associ ates ▁( now ▁Ell er be ▁Be cket ), ▁with ▁local ▁associate ▁architect s ▁Gu ire y , ▁Sr n ka , ▁Arnold ▁& ▁Spr ink le . ▁It ▁was ▁built ▁by ▁the ▁Henry ▁C . ▁Beck ▁Company ▁( now ▁The ▁Beck ▁Group ). ▁Upon ▁completion , ▁the ▁tower ▁marked ▁the ▁beginning ▁of ▁a ▁renew ed ▁invest ment ▁in ▁dow nt own ▁Phoenix ▁that ▁would ▁last ▁for ▁almost ▁twenty ▁years ▁until ▁the ▁sav ings ▁and ▁loan ▁crisis ▁brought ▁about ▁the ▁ 1 9 8 9 ▁real ▁estate ▁crash . ▁Loc ated ▁at ▁ 2 0 1 ▁North ▁Central ▁Avenue , ▁the ▁tower ▁was ▁renov ated ▁in ▁ 2 0 0 3 ▁to ▁accommod ate ▁ 8 0 0