PEOPLEHugh AlexanderHUGH-ALEXANDERStuart Milner BarrySTUART-MILNER-BARRYTommy BrownTOMMY-BROWNWinston ChurchillWINSTON-CHURCHILLJosh CooperJOSH-COOPERCommander Alastair DennistonCOMMANDER-ALASTAIR-DENNISTONAdmiral Karl DonitzADMIRAL-KARL-DONITZDwight EisenhowerDWIGHT-EISENHOWERHugh FossHUGH-FOSSJohn JeffreysJOHN-JEFFREYSTommy FlowersTOMMY-FLOWERSDilly KnoxDILLY-KNOXSir Stewart MenziesSIR-STEWART-MENZIESBernard MontgomeryBERNARD-MONTGOMERYMax NewmanMAX-NEWMANJohn TiltmanJOHN-TILTMANCommander TravisCOMMANDER-TRAVISAlan TuringALAN-TURINGGordon WelchmanGORDON-WELCHMANGROUPS AND ROLESBombe OperatorBOMBE-OPERATORGC&CSGC-CSPolish Code BreakersPOLISH-CODE-BREAKERSWAAFWAAFWRNSWRNSBLETCHLEY PARKBlock EBLOCK-EBlock FBLOCK-FCottage Number 3COTTAGE-NUMBER-3Hut 1HUT-1Hut 3HUT-3Hut 4HUT-4Hut 6HUT-6Hut 7HUT-7Hut 8HUT-8Hut 11aHUT-11ABletchley Park Mansion HouseBLETCHLEY-PARK-MANSION-HOUSEOTHER LOCATIONSColomboCOLOMBODollis HillDOLLIS-HILLEastcoteEASTCOTEGayhurstGAYHURSTStanmoreSTANMOREWavendonWAVENDONWhitehallWHITEHALLWoburn AbbeyWOBURN-ABBEYY StationY-STATIONMACHINESBombeBOMBEColossusCOLOSSUSE BoatE-BOATEnigma MachineENIGMA-MACHINEFour Wheel Enigma MachineFOUR-WHEEL-ENIGMA-MACHINEHagelinHAGELINHeath Robinson MachineHEATH-ROBINSON-MACHINEHollerith Cards MachineHOLLERITH-CARDS-MACHINELorenzLORENZPurple MachinePURPLE-MACHINERotorROTORTirpitzTIRPITZTunnyTUNNYType X MachineTYPE-X-MACHINEU BoatU-BOATCOMMUNICATIONSAbwehr CodeABWEHR-CODEC38m KeyC38M-KEYFish MessageFISH-MESSAGEHerivel TipHERIVEL-TIPShark KeySHARK-KEYUltraULTRAZygalski Sheet MethodZYGALSKI-SHEET-METHOD