. ▁He ▁remained ▁in ▁Pe oria ▁into ▁early ▁ad ul th ood . ▁ ▁After ▁receiving ▁a ▁B . A . ▁in ▁Theory ▁and ▁Pract ice ▁of ▁Art ▁from ▁North western ▁University ▁in ▁ 1 9 4 3 , ▁Crow ley ▁served ▁time ▁with ▁the ▁U . S . ▁Navy ▁during ▁World ▁War ▁II ▁( 1 9 4 2 – 1 9 4 7 ) ▁as ▁a ▁Lieutenant ▁J G ▁with ▁the ▁USS ▁American ▁Leg ion . ▁ ▁In ▁April ▁ 1 9 4 6 , ▁he ▁contract ed ▁pol iom y el itis ▁and ▁was ▁left ▁a ▁partial ▁quad ri ple g ic . ▁ ▁Academ ic ▁career ▁ ▁General ▁history ▁ ▁After ▁sp ending ▁ 1 0 ▁months ▁recover ing ▁from ▁his ▁bout ▁with ▁pol io , ▁Crow ley ▁continued ▁to ▁purs ue ▁his ▁education . ▁ ▁He ▁received ▁an ▁M . A . ▁In ▁Art ▁History ▁from ▁Brad ley ▁University ▁in ▁ 1 9 4 8 , ▁followed ▁by ▁a ▁Ph . ▁D . ▁In ▁Anth rop ology ▁( A fr ican ▁Studies ) ▁from ▁North western ▁University ▁in ▁ 1 9 5 6 ▁under ▁the ▁super vision ▁of ▁Mel ville ▁H ers kov its ▁and ▁in ▁the ▁intellectual ▁tradition ▁of ▁Franz ▁Bo as . ▁ ▁Much ▁of ▁Crow ley ' s ▁scholar ship ▁was ▁perpet u ated ▁by ▁his ▁love ▁of ▁travel ▁as ▁many ▁of ▁his ▁university ▁appoint ments ▁took ▁him ▁all ▁over ▁the ▁world . ▁ ▁Crow ley ▁was ▁h ired ▁as ▁a ▁member ▁of ▁The ▁University ▁of