ower ▁in ▁ 1 9 3 0 ▁after ▁his ▁wife ▁was ▁killed ▁in ▁a ▁car ▁accident ▁in ▁Europe . ▁Ad ler ▁was ▁named ▁a ▁Fellow ▁of ▁the ▁American ▁Institute ▁of ▁Arch itect s ▁in ▁ 1 9 4 1 ▁and ▁a ▁member ▁of ▁the ▁National ▁Institute ▁of ▁Arts ▁and ▁Let ters ▁in ▁ 1 9 4 5 . ▁Ad ler ▁died ▁of ▁a ▁heart ▁attack ▁in ▁his ▁sleep , ▁aged ▁ 6 7 , ▁in ▁Liber ty ville . ▁He ▁is ▁buried ▁in ▁G rac eland ▁C emetery ▁in ▁Chicago . ▁ ▁Ad ler ' s ▁religious ▁belief s ▁are ▁uncertain , ▁although ▁he ▁certainly ▁attempted ▁to ▁appear ▁Protest ant . ▁His ▁parents ▁were ▁German ▁Jews . ▁However , ▁at ▁Techn ische ▁Universität ▁München , ▁Ad ler ▁identified ▁his ▁belief s ▁as ▁Epis cop al ian ; ▁this ▁may ▁have ▁been ▁due ▁to ▁the ▁disc rim ination ▁facing ▁Jews ▁at ▁the ▁time . ▁Ad ler ▁married ▁K atherine ▁Keith ▁in ▁a ▁Universal ist ▁church . ▁Ad ler ' s ▁father ▁was ▁cre m ated — a ▁fun eral ▁r ite ▁that ▁was ▁not ▁san ction ed ▁by ▁the ▁Jewish ▁religion — and ▁inter red ▁at ▁a ▁non - den omin ational ▁c emetery ▁owned ▁by ▁the ▁Epis cop al ▁Church . ▁His ▁mother ▁was ▁also ▁buried ▁in ▁a ▁non - den omin ational ▁c emetery , ▁indicating ▁that ▁his ▁parents ▁may ▁have ▁similarly ▁down play ed ▁their ▁Jewish ▁faith ▁or ▁converted ▁entirely . ▁Ad ler ' s ▁client ele ▁were ▁mostly ▁Pres by