▁US ▁military ▁administration ▁( Office ▁of ▁Military ▁Government , ▁United ▁States ) ▁( OM G US ). ▁His ▁task ▁was ▁to ▁take ▁stock ▁of ▁the ▁available ▁and ▁un bur den ed ▁German ▁econom ists , ▁at ▁a ▁time ▁when ▁many ▁scient ists ▁occupied ▁the ▁re organ ized ▁ch airs ▁sole ly ▁on ▁the ▁basis ▁of ▁their ▁pro - F rench ▁or ▁anti - N azi ▁st ance ▁instead ▁of ▁their ▁scientific ▁qual ifications . ▁Under ▁the ▁influence ▁of ▁his ▁wife , ▁also ▁born ▁in ▁Germany , ▁he ▁moved ▁back ▁to ▁Germany ▁at ▁the ▁age ▁of ▁ 5 5 . ▁From ▁ 1 9 7 7 ▁to ▁ 1 9 9 0 ▁Ge h rel s ▁was ▁full ▁professor ▁of ▁econom ics , ▁with ▁particular ▁emphas is ▁on ▁international ▁trade ▁relations ▁at ▁the ▁Fac ulty ▁of ▁Econom ics ▁of ▁the ▁Ludwig - Max im ili ans - Univers ität ▁München ▁( LM U ). ▁His ▁research ▁interests ▁were ▁in ▁the ▁areas ▁of ▁foreign ▁trade ▁and ▁macro e conom ics ▁and ▁economic ▁growth . ▁There after , ▁he ▁was ▁an ▁emer it us ▁at ▁the ▁Sem inar ▁for ▁International ▁Business ▁Rel ations ▁of ▁the ▁L M U . cs . ▁ ▁Publications ▁( selection ) ▁▁ ▁Books ▁ ▁Franz ▁Ge h rel s : ▁Auß en wirtschaft st he orie . ▁Old en bour gs ▁Lehr - ▁und ▁Hand bü cher ▁der ▁Wirtschaft s - ▁u . ▁Sozial wissenschaft en . ▁De ▁Gru yter ▁Old en bourg , ▁Re print ▁ 2 0 1 7