ology ▁and ▁social ▁anth rop ology ▁at ▁the ▁University ▁of ▁London ▁and ▁at ▁the ▁London ▁School ▁of ▁Econom ics ▁and ▁Political ▁Science ▁in ▁ 1 9 3 4 , ▁passing ▁his ▁Ph D ▁exam ▁in ▁anth rop ology ▁in ▁ 1 9 3 7 . ▁Here ▁he ▁also ▁wrote ▁a ▁vol umin ous ▁manuscript ▁for ▁the ▁Frankfurt ▁Institute ▁for ▁Social ▁Research , ▁which ▁got ▁lost . ▁In ▁ 1 9 3 6 , ▁however , ▁an ▁abstract ▁entitled ▁Beit rä ge ▁zu ▁einer ▁Geschichte ▁der ▁autor it ären ▁Familie ▁( Cont ribution s ▁to ▁the ▁History ▁of ▁the ▁Author itar ian ▁Family ) ▁was ▁published . ▁ ▁In ▁ 1 9 3 7 ▁Man heim ▁em igr ated ▁to ▁the ▁US , ▁and ▁was ▁natural ized ▁as ▁Ernest ▁Man heim ▁in ▁ 1 9 4 3 . ▁In ▁the ▁beginning ▁he ▁worked ▁as ▁an ▁assistant ▁professor ▁at ▁the ▁University ▁of ▁Chicago ▁( Ill inois ) ▁which ▁at ▁the ▁time ▁was ▁the ▁strong hold ▁of ▁American ▁empir ical ▁social ▁research . ▁Since ▁then ▁a ▁combination ▁of ▁theoretical ▁compet ence ▁based ▁on ▁philosophy ▁and ▁methods ▁of ▁empir ical ▁social ▁research ▁was ▁the ▁peculiar ity ▁in ▁Man heim ' s ▁scientific ▁work . ▁Since ▁ 1 9 4 0 ▁he ▁was ▁professor ▁of ▁soci ology ▁at ▁the ▁University ▁of ▁Kansas ▁City , ▁Missouri , ▁which ▁was ▁then ▁a ▁private ▁institution ▁and ▁was ▁to ▁become ▁part ▁of ▁the ▁University ▁of ▁Missouri ▁System ▁in ▁ 1 9 6 3 . ▁ ▁In ▁ 1 9 5 5 /