, ▁Gold baum ▁agre es ▁to ▁join ▁their ▁project ▁and ▁he ▁and ▁Harry ▁set ▁out ▁to ▁find ▁a ▁diverse ▁set ▁of ▁gift ed ▁b ab ies ▁( orph ans ▁and ▁those ▁they ▁could ▁buy ) ▁for ▁the ▁comp ound . ▁ ▁After ▁deliver ing ▁the ▁children , ▁Harry ▁has ▁no ▁more ▁invol vement ▁with ▁the ▁project . ▁ ▁About ▁eigh teen ▁years ▁later , ▁a ▁White ▁House ▁oper ative , ▁E gg erton , ▁summ ons ▁Harry ▁and ▁inqu ires ▁him ▁on ▁his ▁knowledge ▁of ▁the ▁work ▁in ▁the ▁comp ound . ▁He ▁truth fully ▁tells ▁them ▁that ▁he ▁has ▁no ▁inside ▁knowledge ▁of ▁the ▁project , ▁save ▁what ▁his ▁sister ▁told ▁him ▁in ▁the ▁project ' s ▁beg inn ings , ▁which ▁he ▁hadn ' t ▁dis closed ▁to ▁anyone ▁due ▁to ▁its ▁secre cy . ▁ ▁Harry ▁is ▁told ▁that ▁the ▁comp ound ▁was ▁about ▁to ▁be ▁visited ▁for ▁the ▁first ▁time ▁since ▁its ▁beginning ▁and , ▁as ▁they ▁were ▁about ▁to ▁enter , ▁prompt ly ▁van ished . ▁It ▁was ▁replaced ▁by ▁a ▁great , ▁gray ▁im pen et rable ▁bar rier . ▁ ▁In ▁hearing ▁this , ▁Harry ▁produces ▁a ▁letter ▁he ▁had ▁received ▁almost ▁a ▁year ▁earlier ▁from ▁his ▁sister . ▁In ▁it , ▁they ▁find ▁an ▁inform al ▁report ▁on ▁their ▁progress ▁in ▁the ▁experiment . ▁ ▁Jean ▁and ▁Mark ▁had ▁rec ru ited ▁a ▁group ▁of ▁educ ators , ▁married ▁cou ples ▁only , ▁to ▁live ▁and ▁teach ▁at ▁the ▁comp ound . ▁All ▁the ▁educ