▁dis charg ed ▁from ▁the ▁service ▁in ▁ 1 9 1 9 ▁▁ ▁After ▁accum ulating ▁enough ▁money ▁from ▁publishing ▁a ▁high ▁school ▁text book ▁titled ▁Psych ology ▁and ▁Human ▁Living , ▁L anger ▁tra ve led ▁to ▁Germany ▁and ▁began ▁working ▁with ▁Anna ▁Fre ud . ▁Lang ers ▁time ▁in ▁Germany ▁had ▁over la pped ▁with ▁the ▁historical ▁entrance ▁of ▁Adolf ▁Hitler . ▁As ▁Hitler ▁gained ▁power ▁in ▁Germany , ▁L anger ▁had ▁first - hand ▁experience ▁as ▁to ▁the ▁dev ast ation ▁that ▁was ▁brought ▁to ▁the ▁civ ili ans ▁of ▁the ▁country . ▁Due ▁to ▁his ▁educational ▁background ▁and ▁direct ▁experience , ▁L anger ▁had ▁a ▁personal ▁interest ▁in ▁Adolf ▁Hitler ▁and ▁went ▁to ▁work ▁for ▁the ▁O SS ▁to ▁which ▁he ▁would ▁later ▁predict ▁Hitler ' s ▁means ▁of ▁death . ▁L anger ▁also ▁continued ▁to ▁produce ▁multiple ▁books ▁in ▁relation ▁to ▁Adolf ▁Hitler ▁after ▁his ▁death , ▁the ▁most ▁notable ▁being ▁The ▁Mind ▁of ▁Adolf ▁Hitler : ▁The ▁Secret ▁W art ime ▁Report . ▁ ▁Leg acy ▁L anger ' s ▁most ▁popular ▁work , ▁The ▁Mind ▁of ▁Adolf ▁Hitler ▁helped ▁put ▁psych ology ▁on ▁the ▁map ▁in ▁American ▁popular ▁culture . ▁Despite ▁many ▁controvers ies , ▁the ▁profile ▁has ▁been ▁influ ential ▁in ▁the ▁field ▁of ▁profil ing ▁political ▁leaders . ▁L anger ▁himself ▁offered ▁a ▁statement ▁on ▁the ▁value ▁of ▁psych obi ography ▁for ▁political ▁means , ▁stating : ▁ <0x09> ▁“ I ▁may ▁be ▁na ï ve ▁in ▁diplom atic ▁matters , ▁but ▁I ▁like