4 3 , ▁Sie gel ▁dies ▁of ▁lung ▁cancer ▁aged ▁ 5 1 . ▁ ▁The ▁front ▁of ▁the ▁document ▁shows ▁his ▁middle ▁initial ▁as ▁" O " ▁and ▁the ▁reverse ▁of ▁the ▁document ▁has ▁his ▁middle ▁initial ▁as ▁an ▁" R ". ▁ ▁Social ▁Security ▁Application ▁and ▁Cla ims ▁Index , ▁ 1 9 3 6 – 2 0 0 7 ▁show ▁Jack ▁At to ▁Sie gel ▁and ▁John ▁Robert ▁Sie gel ▁are ▁the ▁same ▁person . ▁The ▁name ▁change ▁or ▁modification ▁is ▁not ▁explained . ▁ ▁Sign atures ▁from ▁official ▁documents ▁of ▁John ▁Otto ▁Sie gel ▁and ▁John ▁Robert ▁Sie gel ▁show ▁interesting ▁similar ities ▁such ▁as ▁the ▁" ." ▁placed ▁after ▁each ▁individual ▁name ▁or ▁initial . ▁ ▁The ▁change ▁in ▁the ▁" S " ▁is ▁also ▁the ▁same ▁between ▁the ▁ 1 9 4 1 ▁request ▁for ▁a ▁replacement ▁Medal ▁of ▁Honor ▁and ▁the ▁ 1 9 4 2 ▁World ▁War ▁II ▁Reg istration ▁card . ▁▁ ▁No ▁other ▁documents ▁are ▁found ▁for ▁anyone ▁named ▁John ▁Robert ▁Sie gel ▁or ▁Jack ▁At to ▁Sie gel , ▁that ▁have ▁any ▁matching ▁information , ▁outside ▁of ▁these ▁documents . ▁ ▁See ▁also ▁ ▁List ▁of ▁Medal ▁of ▁Honor ▁recip ients ▁for ▁World ▁War ▁I ▁ ▁References ▁ ▁Category : 1 8 9 0 ▁birth s ▁Category : 1 9 7 3 ▁death s ▁Category : Un ited ▁States ▁Navy ▁Medal ▁of ▁Honor ▁recip ients ▁Category : American ▁military ▁personnel ▁of ▁World ▁War ▁I ▁Category : World ▁War ▁I ▁recip ients ▁of