▁C . ▁F . ▁Louis ▁de ▁Wild ▁Care l ▁de ▁Wild ' s ▁son ▁C . ▁F . ▁Louis ▁trained ▁with ▁his ▁uncle ▁Der ix ▁for ▁much ▁of ▁his ▁youth , ▁eventually ▁establish ing ▁his ▁own ▁rest oration ▁practice . ▁Im migr ating ▁to ▁the ▁United ▁States ▁from ▁The ▁H ague ▁after ▁his ▁father ' s ▁death , ▁he ▁opened ▁an ▁independent ▁conservation ▁studio ▁in ▁New ▁York ▁City ▁in ▁ 1 9 2 9 . ▁He ▁worked ▁in ▁conj unction ▁with ▁American ▁museum s ▁like ▁the ▁Metropolitan ▁Museum ▁of ▁Art , ▁the ▁National ▁Gallery ▁of ▁Art , ▁and , ▁like ▁his ▁father ▁before ▁him , ▁the ▁Fr ick ▁Collection . ▁Notable ▁paint ings ▁he ▁restored ▁include ▁the ▁Al ba ▁Madonna ▁and ▁multiple ▁works ▁by ▁Pier o ▁della ▁Frances ca . ▁He ▁retired ▁from ▁his ▁conservation ▁practice ▁in ▁ 1 9 6 9 , ▁and ▁passed ▁away ▁in ▁ 1 9 8 7 ▁at ▁the ▁age ▁of ▁ 8 6 . ▁ ▁References ▁ ▁Further ▁reading ▁ ▁Category : 1 8 7 0 ▁birth s ▁Category : 1 9 2 2 ▁death s ▁Category : 1 9 6 9 ▁death s ▁Category : Con serv ator - rest or ers ▁Category : F rick ▁Collection ▁Category : Pe ople ▁associated ▁with ▁the ▁Metropolitan ▁Museum ▁of ▁Art ▁Category : The ▁H ague ▁Category : Con serv ation ▁and ▁rest oration <0x0A> </s> ▁Hel ène ▁A yl on ▁( née ▁Green field ; ▁February ▁ 4 , ▁ 1 9 3 1 ▁– ▁April ▁ 6