Facts: - signature: alois hudal signature.jpg - caption: title of national socialism '' -lrb- 1937 -rrb- page of hudal 's book '' the foundations - death date: 13 may 1963 - birth date: 31 may 1885 - name: bishop alois hudal - image: alois_hudal . jpg Based on these bullet points, write a short biography describing the life of alois hudal .
alois hudal -lrb- also known as luigi hudal ; 31 may 1885 -- 13 may 1963 -rrb- was an austrian titular bishop in the roman catholic church , based in rome .for thirty years , he was the head of the austrian-german congregation of santa maria dell ' anima in rome and , until 1937 , an influential representative of the austrian catholic church .in his 1937 book , '' the foundations of national socialism '' , hudal praised adolf hitler and his policies and indirectly attacked vatican policies .after world war ii , hudal helped establish the ratlines , which allowed prominent nazi german and other european former axis officers and political leaders , among them accused war criminals , to escape allied trials and denazification .