▁Res urre ction ist ▁spiritual ity . ▁Many ▁also ▁went ▁on ▁to ▁become ▁out standing ▁pri ests , ▁b ish ops , ▁arch b ish ops , ▁and ▁card inals , ▁some ▁of ▁whom ▁have ▁been ▁beat ified ▁or ▁canon ized . ▁E . g . ▁Jó zef ▁D ą brow ski , ▁St . ▁Jó zef ▁Sebastian ▁Pel cz ar , ▁St . ▁Jó zef ▁Bil cz ew ski . ▁ ▁Coll abor ation ▁with ▁the ▁Holy ▁See ▁ ▁Fr . ▁Peter ▁Sem enen ko ▁collabor ated ▁act ively ▁with ▁the ▁Holy ▁See . ▁He ▁was ▁an ▁expert ▁on ▁Polish ▁and ▁Eastern ▁matters ▁and , ▁because ▁of ▁his ▁knowledge , ▁he ▁was ▁held ▁in ▁high ▁este em ▁by ▁pop es ▁Gregory ▁XVI , ▁P io ▁IX ▁and ▁Leo ▁XIII . ▁ ▁He ▁worked ▁as ▁a ▁consult ant ▁for ▁the ▁Sac red ▁Cong reg ations : ▁ ▁of ▁the ▁Index ▁( since ▁ 1 8 5 7 ) ▁ ▁and ▁the ▁Holy ▁Office ▁( since ▁ 1 8 7 3 ) ▁[ now : ▁Do ctrine ▁of ▁Fa ith ]. ▁ ▁His ▁work ▁was ▁highly ▁pra ised , ▁and ▁his ▁statements ▁were ▁taken ▁as ▁definit ive ▁on ▁a ▁regular ▁basis . ▁ ▁He ▁was ▁a ▁member ▁of ▁the ▁following ▁pr estig ious ▁Pap al ▁Academ ies : ▁ ▁Acc adem ia ▁della ▁Relig ione ▁C att ol ica ▁( since ▁ 1 8 5 9 ), ▁ ▁and ▁Acc adem ia ▁degli ▁Arc adi ▁( since ▁ 1 8 7 4 ). ▁