简介：GordonWelchmanwasoneoftheoriginalelitecodebreakerscrucialtothealliesdefeatingtheNazisinWorldWarII.HeistheforgottengeniusofBletchleyPark. FilmedextensivelyatBletchleyPark,thecentreforcodebreakingoperationsduringWorldWarII,thisdocumentaryfeaturestheabandonedbuildingswherethousandsofpeopleworkedtirelesslytryingtocrackthecodes,Hut6,whereWelchmanpioneeredhisgroundbreakingwork,andthemachinesthatWelchmanhelpeddesign. Post-war,WelchmanmovedtotheUnitedStatestobeatthenervecentreofthecomputerrevolution.HewasemployedbytheMitreCorporation,aUSdefencecontractor,andengagedintopsecretwork.RecentlyreleasedtopsecretdocumentsrevealthatthecaseofGordonWelchmanreachedthedeskoftheBritishprimeminister,MargaretThatcher,andthenledtoquestionsbeingaskedintheHouseofCommonsafterWelchman'suntimelydeath. Welchman'slegacycontinuestothisdayasProfessorJohnNaughtonandformerCIAanalystCynthiaStorerrevealhowWelchman'spioneeringworkinthefieldoftrafficanalysisleddirectlytothemodernsecretsurveillancestate,andparticularlytheuseofmetadata-asrevealedbywhistleblowerEdwardSnowden.…