▁University ▁and ▁graduated ▁in ▁ 1 9 3 4 . ▁He ▁was ▁appointed ▁as ▁a ▁lect urer ▁in ▁ge ology ▁at ▁Cambridge ▁in ▁ 1 9 3 7 ▁after ▁comple ting ▁his ▁post ▁gradu ate ▁degree . ▁During ▁the ▁Second ▁World ▁War ▁he ▁served ▁as ▁an ▁intelligence ▁anal yst ▁with ▁the ▁R AF ▁looking ▁at ▁photograph s ▁of ▁bomb ing ▁operations ▁to ▁judge ▁their ▁effect iveness . ▁ ▁Aer ial ▁phot ography ▁As ▁a ▁school ▁boy , ▁St ▁Joseph ▁had ▁been ▁interested ▁in ▁Roman ▁Britain ▁and , ▁in ▁the ▁ 1 9 3 0 s , ▁he ▁was ▁able ▁to ▁explo it ▁a ▁family ▁connection ▁to ▁take ▁part ▁in ▁an ▁exc av ation ▁at ▁Had rian ' s ▁Wall ▁where ▁he ▁met ▁O ▁G ▁S ▁C raw ford . ▁From ▁this ▁meeting , ▁St ▁Joseph ▁developed ▁an ▁interest ▁in ▁aer ial ▁phot ography . ▁St ▁Joseph ' s ▁subsequent ▁war ▁time ▁experience ▁convinced ▁him ▁that ▁aer ial ▁phot ography ▁had ▁a ▁potentially ▁vital ▁role ▁in ▁discover ing ▁and ▁analyz ing ▁arch ae ological ▁sites . ▁In ▁ 1 9 4 8 , ▁he ▁was ▁appointed ▁cur ator ▁( and ▁subsequently , ▁director ) ▁of ▁aer ial ▁phot ography ▁at ▁Cambridge ▁University . ▁Initial ly , ▁he ▁was ▁able ▁to ▁persu ade ▁the ▁R AF ▁to ▁take ▁photograph s ▁for ▁him ▁without ▁charge . ▁When ▁the ▁R AF ▁became ▁unw illing ▁to ▁continue ▁this ▁programme , ▁the ▁university ▁authorities ▁h ired ▁an ▁aircraft . ▁In ▁ 1 9 6 5 , ▁they ▁bought ▁a