▁Gall and ▁obtained ▁his ▁archiv ist - p ala e ograph er ▁di pl oma ▁in ▁ 1 9 8 7 ▁with ▁a ▁th esis ▁entitled ▁Les ▁ar chev ê ques ▁de ▁Lyon ▁de ▁la ▁Bul le ▁d ' or ▁aux ▁Philippines . ▁He ▁was ▁a ▁member ▁of ▁the ▁É cole ▁française ▁de ▁Rome ▁from ▁ 1 9 9 2 ▁to ▁ 1 9 9 5 . ▁ ▁A ▁cur ator ▁at ▁the ▁Archives ▁national es , ▁he ▁was ▁success ively ▁in ▁charge ▁of ▁the ▁ancient ▁section , ▁scientific ▁director ▁of ▁the ▁Paris ▁site ▁and ▁director ▁of ▁public . ▁ ▁He ▁is ▁also ▁associate ▁professor ▁at ▁the ▁Paris - S or bon ne ▁University . ▁ ▁Pub lished ▁works ▁▁ 1 9 9 4 ▁Deux ▁ar chev ê ch és ▁entre ▁la ▁France ▁et ▁l ' Emp ire ▁: ▁les ▁ar chev ê ques ▁de ▁Lyon ▁et ▁les ▁ar chev ê ques ▁de ▁V ienne , ▁du ▁milieu ▁du ▁XII e ▁au ▁milieu ▁du ▁XIV e , ▁Rome ▁: ▁É cole ▁française ▁de ▁Rome ; ▁diff . ▁de ▁B oc card . ▁ 1 9 9 8 : ▁Les ▁pap es ▁d ' Av ignon ▁et ▁la ▁maison ▁de ▁Sav o ie , ▁Rome , ▁É cole ▁française ▁de ▁Rome ; ▁diff . ▁de ▁B oc card . ▁ 1 9 9 9 : ▁Les ▁instruments ▁de ▁recherche ▁dans ▁les ▁arch ives ▁( with ▁Christ ine ▁N oug aret ), ▁Document ation ▁française . ▁▁ 2 0 0 4 : ▁Les ▁auth ent