▁Lé vi - St ra uss ▁was ▁also ▁exposed ▁to ▁the ▁American ▁anth rop ology ▁esp oused ▁by ▁Franz ▁Bo as , ▁who ▁taught ▁at ▁Columbia ▁University . ▁In ▁ 1 9 4 2 , ▁while ▁having ▁dinner ▁at ▁the ▁Fac ulty ▁House ▁at ▁Columbia , ▁Bo as ▁died ▁in ▁Lé vi - St ra uss ' s ▁arms . ▁This ▁int imate ▁association ▁with ▁Bo as ▁gave ▁his ▁early ▁work ▁a ▁distinct ive ▁American ▁incl ination ▁that ▁helped ▁facil itate ▁its ▁accept ance ▁in ▁the ▁U . S . ▁After ▁a ▁brief ▁st int ▁from ▁ 1 9 4 6 ▁to ▁ 1 9 4 7 ▁as ▁a ▁cultural ▁attach é ▁to ▁the ▁French ▁emb ass y ▁in ▁Washington , ▁DC , ▁Lé vi - St ra uss ▁returned ▁to ▁Paris ▁in ▁ 1 9 4 8 . ▁At ▁this ▁time , ▁he ▁received ▁his ▁state ▁doctor ate ▁from ▁the ▁Sor bon ne ▁by ▁subm itting , ▁in ▁the ▁French ▁tradition , ▁both ▁a ▁" major " ▁and ▁a ▁" min or " ▁doctor al ▁th esis . ▁These ▁were ▁The ▁Family ▁and ▁Social ▁Life ▁of ▁the ▁N amb ik w ara ▁Indians ▁( La ▁vie ▁famil iale ▁et ▁sociale ▁des ▁ind iens ▁N amb ik w ara ) ▁and ▁The ▁Element ary ▁Struct ures ▁of ▁Kin ship ▁( Les ▁structures ▁él ément aires ▁de ▁la ▁parent é ). ▁ ▁Struct ural ▁anth rop ology ▁ ▁The ▁Element ary ▁Struct ures ▁of ▁Kin ship ▁was ▁published ▁the ▁next ▁year ▁and ▁quickly ▁came