▁rank ▁of ▁Minister ▁in ▁ 1 9 4 5 . ▁In ▁mid - A pril ▁ 1 9 4 7 , ▁Sel ch ow ▁moved ▁to ▁Wed el ▁in ▁Hamburg h . ▁After ▁the ▁war ▁Sel ch ow ▁maintained ▁contact ▁with ▁some ▁of ▁his ▁colle agues . ▁ ▁Little ▁is ▁known ▁about ▁his ▁ab ilities , ▁but ▁statements ▁from ▁personnel ▁in ▁other ▁ci pher ▁b ure aus ▁imply ▁that ▁he ▁was ▁je alous ▁and ▁secret ive . ▁ ▁His ▁Pers ▁Z ▁S ▁staff ▁character ized ▁him ▁as ▁a ▁compet ent ▁administrator ▁who ▁knew ▁little ▁about ▁crypt ography ▁and ▁crypt analysis . ▁Sel ch ow ▁was ▁somewhat ▁of ▁a ▁Euro ph ile ▁and ▁det ested ▁the ▁Naz i ▁Party . ▁ ▁With ▁the ▁advent ▁of ▁Adolf ▁Hitler ▁in ▁ 1 9 3 3 ▁and ▁Hermann ▁G ör ing ' s ▁Forsch ungs amt ▁ci pher ▁b ureau ▁enc ro ached ▁upon ▁the ▁field ▁of ▁the ▁Pers ▁Z ▁S , ▁which ▁was ▁the ▁inter ception ▁and ▁processing ▁of ▁diplom atic ▁ci ph ers . ▁Sel ch ow ▁at ▁the ▁time ▁fer vent ly ▁wished ▁to ▁res ign ▁by ▁was ▁persu aded ▁to ▁stay ▁by ▁von ▁Bü low , ▁who ▁until ▁ 1 9 3 8 ▁was ▁Secretary ▁of ▁the ▁Ministry ▁of ▁Foreign ▁Affairs , ▁when ▁he ▁died . ▁When ▁Jo achim ▁von ▁Rib b ent rop , ▁the ▁new ▁Foreign ▁Minister , ▁he ▁lost ▁a ▁lot ▁of ▁super vis ory ▁power , ▁and ▁was ▁restricted ▁in ▁duties . ▁He ▁was ▁forced ▁to ▁join ▁the ▁Naz