Unlock the secret.
The story of the WWII project to crack the code behind the Enigma machine, used by the Germans to encrypt messages sent to their submarines.
Hester Wallace
Puck
Cave
Logie
Claire Romilly
Tom Jericho
Leveret
Villiers
Mr. Wigram
Skynner
U-boat Commander
Heaviside
Kay
Upjohn
Pamela
Baxter
Pinker
Mr. Mermagen
Admiral Trowbridge
Kingcome