Lily 1
limitations 1
Lisbon 1, 2, 3
Lithuania 1
Littlewood 1
Litvinov, Maxim 1
Liverpool 1, 2
Livno 1
Ljubljana 1
Lloyd, John 1, 2
Lloyd George, David 1
lobster 1
Locust 1
Loehnis, Commander Clive 1, 2
Loewe, Michael 1
Lofoten Islands 1, 2
logs 1, 2
Lohr, General 1, 2
London Communications Security Agency 1
London Signals Intelligence Board 1, 2
Lorenz teleprinter cipher machine see Fish: Tunny
Los Alamos 1, 2, 3
Lovelace, Ada, Countess of 1, 2
Lukacević 1
Luxembourg 1
MacArthur, General Douglas 1, 2
McCormack, Colonel Alfred 1, 2
Macdonogh Scheme 1
Machine à Chiffrer, Enigma, La (brochure) 1
MacInnes, John 1
McIntyre, Commander J. P. 1, 2
Maclean, Donald 1
Maclean, Brigadier Fitzroy 1, 2, 3
Macmillan, Harold 1
McVittie, Dr George 1
Madrid 1, 2, 3, 4
Maertens, Rear-Admiral Erhard 1
Magdeburg (cruiser) 1
Magic 1
Maguire, Air Vice Marshal Harold 1
Mahon, Patrick 1, 2, 3, 4
Maine, Henry 1
Malaya 1
Malinovsky 1
Mallard 1
Malta 1, 2
Malvern 1, 2
Manchester University Computing Machine Laboratory 1, 2, 3
Manhattan Project 1
Manila 1
Manisty, John 1, 2
Marconi 1
Marr-Johnson, Peter 1
Marsden, J. K. 1
Marshall, General George 1, 2
Marston, Dale 1
Martin, Major William 1
MAS 1
Mask 1, 2
Massachusetts Institute of Technology 1
Masterman, Sir John 1, 2, 3
Double Cross 1
Matapan, Battle of 1, 2
mathematicians 1, 2, 3, 4, 5
Mauborgne, General 1
Mauchly, John 1, 2
Maxwell-Fyffe Directive (1952) 1
Melbourne 1, 2, 3, 4
Melinsky, Hugh 1
Menwith Hill 1, 2, 3
Menzer, Fritz 1
Menzies, Brigadier Stewart (‘C’) 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Metropolitan Police 1, 2, 3, 4
Mexico 1, 2, 3
MI1b 1, 2
MI2 1
MI3b 1, 2, 3, 4, 5
MI5 1, 2, 3, 4, 5, 6, 7, 8, 9 B Division 1, 2
BIA 1
Double Cross 1
London Controlling Section 1
MI6 1, 2, 3 Double Cross 1
GCHQ and 1
Ryder Street 1
Section II 1
Section IV 1
Section V 1, 2, 3, 4
MI8 1, 2 Central Party 1, 2
MI8c see Radio Security Service
Michie, Donald 1, 2, 3 ‘General Report on Tunny’ 1
Midway, battle of (1942) 1, 2, 3
Mihailović, General Draza 1
Milner-Barry, Stuart 1, 2
appeal to Churchill 1
background 1
Hut 1, 2, 3
recruited 1
UKD 1
Mincemeat, Operation 1
mines, acoustic 1
Ministry of Blockade 1
Mombasa 1
Monde, Le (newspaper) 1
Monroe, John 1
Montagu, Ewen 1, 2 Man Who Never Was 1
Montenegro 1, 2, 3, 4, 5, 6
Montgomery, Field Marshal Bernard 1, 2
Moore School of Electrical Engineering 1, 2
Morell, Francis 1, 2
Morgan, Charles 1
Morgan, Major Jerry 1
Morning Post (newspaper) 1, 2
Morrison, Major 1
Morrison, William 1
Morse code 1, 2, 3, 4, 5
Japanese 1
Mosquito 1
Mostar 1, 2
Mountbatten, Lord 1, 2
München (weather ship) 1
Munich agreement (1938) 1
Murmansk 1, 2
Murray, Commander ‘Jock’ 1, 2
Murray, Joan see Clarke, Joan
Murray, Odette 1
Mussolini, Benito 1, 2, 3, 4
Mutual Assistance Act (1950) 1
Napoleonic Wars 1
Narwhal 1
National Cash Register Company 1, 2, 3, 4
National Criminal Intelligence Service 1
National Physical Laboratory 1
Naval Intelligence Division 1
Nave, Paymaster Lieutenant Eric 1, 2, 3, 4, 5, 6, 7
nearnesses 1
Neretva river 1
New Guinea 1
New Zealand 1, 2, 3
Newman, Max background 1
Colossus 1
Newmanry 1, 2, 3, 4
OBE rejected 1
Tunny 1, 2
Newte, Corporal 1
Nichol, Lieutenant-Commander P. L. 1
Nicholas II, Tsar 1
Nigelian wheel orders 1
Nile, HMS 1
Norddeich 1
Normandy landings see D-Day
North Africa 1, 2
North Atlantic Treaty Organisation (NATO) 1
Norway 1
Noskwith, Rolf 1
Noyce, Wilfred 1
Noyes, Admiral Leigh 1
Octopus 1
Official Secrets Act (1920) 1, 2, 3, 4
Offizier see Enigma
OKF 1, 2, 3, 4
one-time pad 1, 2, 3, 4, 5, 6, 7, 8
Operational Intelligence Centre 1, 2, 3
operational reports see B-bars
Orange 1
Ordnance Board 1
Orion (cruiser) 1
Oshima Hiroshi, General 1, 2, 3, 4, 5
Osprey 1
Otranto 1
Ouzo 1
Owens, Arthur see Snow
Page, Denys 1
Pakistan 1
Palestine 1, 2, 3
Paris 1, 2, 3, 4
Parker, Frederick 1
Parlett, Harold 1
Parsons, Mrs E. 1, 2
Patterson, Geoffrey 1
Patton, General George 1, 2
Pear 1
Pearl Harbor 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Peenemünde 1
Pembroke 1
Pendered, Richard 1, 2, 3
Pendred, Lawrie 1
Pennsylvania University 1
perforated sheets see Zygalski sheets
Perkins 1
Perla (submarine) 1
Perrin, Jean 1
Peshawar 1
Petard, HMS 1, 2
Peter, King of Yugoslavia 1, 2
Petrie, Sir David 1, 2, 3
Philby, Kim 1, 2, 3
Philippines 1, 2, 3
Phoenix 1, 2
physicists 1
Pickles 1, 2
pigeons 1
Pike 1
Pilling, Vernon 1, 2
pinches 1, 2, 3
Pine Gap 1
Pishin 1
Plaice 1, 2
Pola (cruiser) 1
Poland codebreaking 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
Germany occupies 1, 2, 3, 4
Solidarity 1
Ponting, F. W. 1
Popov, Dusko see Tricycle
Porpoise 1, 2, 3
Poseidon see Grampus
Post Office 1, 2, 3 intercepts 1, 2
Research Department 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Secret Department 1
Telephone Branch 1
Poulden, Teddy 1
Powers, Gary 1
PQ17 1, 2
Primrose 1
Princeton University 1, 2, 3
prisoners of war 1
psillies 1
Public Key Cryptography 1
Pujol Garcia Juan, see Garbo
Purple 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Pyry 1, 2
Q Code 1
Quatsch 1
Quebec Conference 1
Quetta 1
radar, airborne 1
radio finger-printing 1
Radio Free Yugoslavia 1
Radio Intelligence Section 1, 2
Radio Security Intelligence Conference 1
Radio Security Service 1, 2, 3, 4
Ramanujan 1
Randell, Brian 1
Rangoon 1
Raskolnikov, M. 1
Raven, Lieutenant-Commander Frank 1
RB-57D 1
reciphering 1, 2, 3, 4, 5, 6
reciprocoggers 1
Red (German) 1, 2, 3, 4, 5, 6, 7, 8, 9
Red (Japanese, 1, 2, 3, 4,
Red Mafia 1
Redman, Rear Admiral Joseph 1, 2, 3
Reed, Henry 1, 2
Rees, David 1
Registration Room No.1 1
Regulation of Investigatory Powers Act (2000) 1
Rejewski, Marian 1, 2, 3, 4, 5
Reserved Series intercepts 1
Reykjavik 1
Rhino Force 1
Rhodes 1
Ribbentrop, Joachim von 1
Rice, Major David Talbot 1, 2, 3, 4
Richard, Warrant Officer Joe 1
Richards, Francis 1, 2
Ringstellung see Enigma
Rivet, Colonel Louis 1
Robertson, Lieutenant-Colonel Tommy (Tar’) 1, 2, 3
Rochefort, Commander Joe 1
Rock, Margaret 1, 2, 3, 4, 5
Rocket 1
rods 1, 2, 3, 4
Romania 1
Rommel, Field Marshal Erwin von 1, 2
Ronald, Rachel 1
Room 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
Room 1 2
Roosevelt, Franklin D. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Roscoe, N. K. 1
Rosen, Leo 1, 2, 3, 4
Rosenbergs 1
Roseveare, Bob 1
Rowlett, Frank 1, 2
Royal Air Force 1, 2, 3, 4 gardening 1, 2
GC&CS 1
mechanics 1
Royal Navy 1 Eastern Mediterranean Fleet 1, 2
intercepts 1
Western Mediterranean Fleet 1
Różycki, Jerzy 1
Rundstedt, Field Marshal Karl Rudolf von 1
Rushbrooke, Rear-Admiral Edmund 1, 2
Russo-Finnish War (1939–40) 1
Saddam Hussein 1
Safford, Commander Laurance 1, 2, 3, 4, 5
Saga 1
St Albans 1, 2
Salonika 1, 2
Samford General, 1
Sarafand 1, 2, 3
Sarajevo 1, 2
Sardinia 1
satellites 1, 2
Saunders, Commander Malcolm 1
Scarborough 1, 2, 3, 4, 5
Schiff 26 1, 2
Schiller, Friedrich 1
Schloss Eisenberg 1
Schmidt, Hans-Thilo 1
School of Oriental and African Studies, London 1
Schwarz, Operation 1, 2
Science Museum, London 1
Scorpion 1, 2
Scotland Yard 1
Seahorse 1, 2
Secret Intelligence Service see MI6
Secret Service Bureau 1
Security Service Acts (1989, 1996) 1
senpaku angosho 1 2
Serbia 1, 2, 3, 4
Sergueiev, Natalie (‘Lily’) see Treasure
SG-39 1
SG-41 1, 2
Shaftesbury 1
Shakespeare, William 1
Shanghai 1
Shark 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
Shaw, Paymaster Lieutenant-Commander Harry 1, 2, 3, 4
Sicily 1, 2, 3, 4, 5, 6
Siemens and Halske teleprinter cipher machine see Fish: Sturgeon
SIGABA 1, 2, 3
Signal School, Portsmouth 1
Simla 1, 2
Simpson, Mrs Wallis 1
Sinclair, Admiral Hugh (‘Quex’) 1, 2, 3, 4, 5, 6, 7, 8, 9
Sinclair, John 1, 2
Singapore 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Sinkov, Abraham 1, 2, 3, 4
Sio 1
Sixta see Bletchley Park: Hut 1
Slovenia 1, 2, 3
Smith, Pauline 1
Smith, Captain Stuart 1
Snow 1, 2
Snow, C. P. 1, 2, 3
Snowdrop 1
Solomon Islands 1
Somerville, Admiral Sir James 1
Soviet Union 1 air force 1, 2, 3
atomic bomb 1, 2
Baltic Fleet 1
Black Sea Fleet 1, 2, 3
Bolshevik revolution 1
China and 1
codes 1, 2, 3, 4, 5
Cold War 1, 2
Comintern 1, 2, 3, 4, 5, 6
Councils of Action 1
Czechoslovakia 1
German knowledge of 1
German pact 1
Germany attacks 1, 2, 3, 4
GRU 1, 2
Hungary 1
India 1, 2
KGB 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
missile tests 1, 2, 3
navy 1
OGPU 1
Red Army 1, 2
Russian Trade Delegation 1
Tall King radar 1
Spain 1, 2, 3 civil war 1, 2, 3, 4, 5
Spalierverfahren 1, 2
Special Branch 1
Special Operations Executive 1, 2, 3, 4 Cairo 1, 2, 3, 4, 5, 6
London 1, 2, 3, 4
Speedwell 1
Split 1
Spy! (television) 1
spy-flights 1, 2
Stalin, Joseph 1, 2, 3, 4, 5, 6, 7
Station Cast 1
Stecker see Enigma
Stevens, Lieutenant Geoffrey 1, 2
Stimson, Henry 1
Stockholm 1, 2, 3
Stonecutters Island 1
Stony Stratford 1
Strachey, Oliver 1, 2, 3, 4, 5; Enigma, 1
Strang, Lord 1
Strausberg 1
Stripp, Alan 1, 2 Codebreakers 1, 2
Strong, Brigadier-General George V. 1, 2
Strong, General Sir Kenneth 1
Stummel, Captain Ludwig 1, 2
Sturgeon see Fish
submarines: intelligence 1, 2
See also U-boats
substitution tables 1
Süd see Porpoise
Sunfish 1, 2
Superscritcher 1
Supreme Headquarters Allied Expeditionary Force 1, 2
Switzerland 1
Sydney, HMAS 1
synthetics 1
Tarafal Bay 1
Taranto 1
Target Intelligence Committee 1, 2, 3
Tashkent 1
tasogare 1, 2
Taylor, Telford 1, 2, 3, 4
Tehran 1 Conference 1, 2
Telecommunications Research Establishment 1, 2, 3, 4
Ten Year Rule 1
Tester, Major 1
Testery, 1, 2, 3, 4, 5, 6
tetras 1
Texas (battleship) 1
The Hague 1
Thompson, Colin 1
Thorogood, Olive 1, 2, 3
Thrasher see Fish
throw-on indicators 1
Thrush 1
Tibet see Sunfish
Tiltman, Lieutenant-Colonel John 1 Enigma 1, 2
Finland 1, 2
France 1
India 1, 2
Japanese codes 1, 2, 3, 4, 5, 6, 7
Japanese courses 1, 2
Mask 1, 2
sheets 1
Soviet codes 1, 2
Tunny 1, 2, 3
Times, The 1, 2, 3, 4
Timms, Geoffrey 1
Tina 1
Tirpitz (battleship) 1
Tito, 1 British support for 1
Titterton, Lieutenant-Commander G. A. (‘Titts’) 1, 2
Todt organisation 1
Togo Shigenori 1
TORCH 1
Tovey, Brian 1
Townend, Brian 1, 2
Townsville 1
Trafalgar, battle of 1
traffic analysis 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
Tranow, Wilhelm 1, 2
Travis, Sir Edward 1, 2, 3, 4, 5, 6, 7, 8 Americans 1
bombes 1
Cold War 1
GCHQ 1
replaces Denniston 1, 2
Sigint conference (1946–7) 1
Travis-Wenger Agreement see Holden Agreement
trawlers 1
Treasure 1
Trend, Burke 1
Trevor-Roper, Hugh 1, 2
Tricycle 1
Trident Conference 1
Trieste 1
Tristram Shandy (Sterne) 1
Triton see Shark
Trujillo (TR) 1
Truman, Harry S. 1, 2, 3, 4, 5
Trumpeter 1
Tunis, 1
Tunisia 1, 2
Tunny see Fish
Turing, Alan Abdication Crisis 1
America 1, 2
background 1
bombe 1, 2, 3, 4, 5, 6, 7, 8
character 1, 2, 3
computers 1, 2, 3, 4, 5, 6
decision problem 1, 2
Enigma 1, 2, 3
Joan Clarke and 1
Manchester University 1
NCR 1
‘On Computable Numbers’ 1, 2, 3
Poland 1
‘Prof’ 1
‘Prof’s Book’ 1
‘Proposed Electronic Calculator’ 1
recruited 1, 2, 3, 4
‘Treatise on the Enigma’ 1
Turingery 1, 2, 3
Turkestan 1
Turkey 1
Tutte, William Statistical Method 1
Tunny 1, 2, 3, 4, 5
Twenty Committee 1, 2, 3
Twinn, Peter 1, 2, 3
Typex 1, 2, 3, 4, 5
U-boats 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
U-2 aircraft 1, 2
UKUSA agreement 1, 2, 3, 4
Ultra
Churchill and 1, 2
declassified 1
recipients of 1
secrecy 1, 2, 3, 4, 5, 6
Umkehrwalze see Enigma
United States of America Army Ordnance Department 1
Army Security Agency/Armed Forces Security Agency 1, 2