The Secret in Building 26
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and secrecy of Dayton project
sentence for
suspected of treason
theft charges against
as threat to national security
trial for
Montgomery, Lillian
Moran, Mike
Morison, Samuel Eliot
motivation
at Dayton project
for Desch
and Desch-Meader relationship
of factory workers
guilt as
of WAVES
Mount Vernon Seminary for Girls
Mumma, Bob
Nagasaki, Japan
Nagato (Japanese battleship)
National Archives
National Association of Manufacturers
National Defense Research Committee (NDRC)
National Electronics Laboratory
National Medal of Merit, Desch awarded
National Security Agency (NSA)
Naval archives (Crane, Ind.)
Naval Communications
Naval Communications Annex
Naval Computing Machine Laboratory (NCML)
as umbrella for Navy codebreaking-machine projects in Dayton
See also American Bombes; Dayton project; specific person
Naval Research Laboratory
Naval Security Group Command
Navy, U.S.
antisubmarine forces of
British sharing of information with
and British-American relations
changes in training and tactics of
cryptanalysis correspondence course of
Driscoll as one of early women in
Driscoll’s dealings with male counterparts in
and exchange mission to England
and FBI
and Montgomery affair
NCR’s relationship with
Orange war plan of
ordered to forge its own Enigma-cracking capability
and RAM project
rotation policy of
social class in
switches from Japanese to Atlantic problems
traitor in
Turing’s debate with
See also OP20G; specific person, office, or project
NCR
Archives of
awards for
Dayton project’s relationship with
Dayton workforce of
Deeds accepts presidency of
Desch as head of electrical research division of
Desch joins
Desch’s lab as showplace for
electrical-research lab founded at
and electronics
employee welfare program at
founding and early days of
and IBM
MIT link with
Navy’s relationship with
no-profit clause in Navy contract with
outside subcontractors for
postwar activities of
resources of
Turing’s visit to
war production of
See also specific person
Neumann, John von
Nevin, Robert R.
New London, Connecticut, Navy research laboratory at
Newfoundland
newspapers, and Montgomery affair
Nimitz, Chester
Norris, William
North Africa, Allied invasion of
Northwestern University
Noyes, Leigh
Office of the Chief of Naval Operations
Office of the Director of Naval Communications
Office of Naval Intelligence (ONI)
Offizier key
Ogre (British machine)
OP20G (U.S. Navy)
and American dependence on British
autonomy of
and Battle of the Atlantic
and Bovril
British sharing of Enigma information with
and British-American relations
budgets for
civilian researchers at
correspondence course offered by
delivery of first Dayton Bombes to
Denniston’s concerns about leadership of
as dependent on industry
Desch offered position as research director at
Desch’s laboratory taken over by
and Fish
functions of
funding for
future of
IBM machines used by
and Japanese codes
loss of mail between Bletchley and
and Montgomery affair
new guard at
NSA as successor to
order to scratch Bombe design by
plans to practice Enigma decryption by
postwar activities of
promise of, to let British oversee Enigma
reluctance to reveal British information about Dayton project by
shake-up in
and Shark
and Sonder
and switch in British naval codes
and Turing’s memo about Dayton visit
two-front war organization of
U-boats focus of
Ultra role of
Wenger as head of
See also British-American relations; specific person
Operation Drumbeat
optics
Orange (U.S. Navy war plan)
Palmer, Ralph
Parker, John
Patterson, John H.
Patterson military base
Paulson, Arne S.
Pearl Harbor
Pendergrass, James
personality psychology
Philippines, Allied invasion of
photoelectricity
Pinnell, Carrell I.
plugboard, Enigma
Polish codebreakers
press, and Montgomery affair
Princeton University
printers, and Desch’s work at NCR
punched tapes
“Purple” (Japanese diplomatic cipher machine)
Pythons (American machines)
Quine, Willard
Racz, Catherine Convery
radar-search detectors, German
radio fingerprinting
RAM (rapid analytical machines) project
Rattlers (American machines)
Raven, Frank
Red Book
Redman, Joseph
reflectors
refuelers, U-boat
remote detonator, Desch-designed
Rench, Carl
resources
for British Bombes
for Dayton project
for Driscoll’s Enigma work
for Duenna
of NCR
See also funding
rewind feature
Rice, Eunice
“Rimas,”
Riverbank Laboratories
Robarts, Betty Bemis
Robb, George M.
Robinson (British machine)
Rochefort, Joseph
Rockefeller Foundation
rodding
Rogers, Richard S.
Roosevelt, Eleanor
Roosevelt, Franklin D.
Rosen, Leo
ROTC
Russia. See Soviet Union
Ryan, Thomas H.
Safford, Laurance F.
and British-American relations
and Denniston’s U.S. visit
and Driscoll’s Enigma work
as Driscoll’s supervisor
and exchange mission to England
fears of American dependence on Britain by
and German reading of Cypher Number 3
and loss of mail between OP20G and Bletchley
and MIT Group
as old guard
and old vs. new generation of codebreakers
as OP20G head
and Pearl Harbor
professional background of
and psychological breakdowns among codebreakers
recruitment of codebreakers by
and switch in British naval codes
Sallenger, Asbury H.
Sandor, Lou
Schnorchel apparatus
Schwinn, Hermann
Seahorse (German-Japanese cipher system)
Seaman, Francis M.
secrecy
about Dayton project
and Desch’s personal life
and Montgomery affair
and operations of American Bombes
security
and British-American relations
for Dayton project
and Montgomery affair
and operations site for American Bombes
security officials, psychological breakdowns among
Selector (American machine)
Shade, Robert
Shark system (German)
American decryption of
and American processes for decryption
and Battle of the Atlantic
British decryption of
and British three-wheel Enigma
and British-American relations
cribs for
and D Day invasion
and Dayton project
and Desch’s plan for American Bombe
four-wheel
and four-wheel Bombes
German changes to
and limitations of American Bombes
M4
Navy’s hopes to attack
Navy’s lack of information about
and OP20G
and operations of American Bombes
and test runs on Bombes
three-wheel Bombes break into
and Ultra
and Wenger
Sinkov, Abe
Skinner, Bonnie
Smithsonian Institution
social class, in U.S. Navy
sonar detection
Sonder
Soviet Union
speed
of American Bombes
of British Bombes
State Department, U.S.
steckers, Enigma
and American processes for decryption
consistency/contradiction checks of
and differences between American and British Bombes
and Driscoll’s Enigma work
and early British Bombes
Keen’s work on
and Shark
and Sonder
and testing by Dayton project
Turing’s work on
and Uhr box
Steinhardt, Lawrence
Steinkamp, George
Stevens, Geoffrey
Stone, Earl F.
“stories,”
stripping
subcontractors
Sugar Camp (NCR), WAVES at
Sunfish (German-Japanese cipher system)
Superscritcher machine (U.S. Army)
T machine (Japanese Enigma machine)
Talbott, Nelson
Tamm, Edward A.
technology
faith in
Japan as source for information about German
Telecom Laboratories
Tenth Fleet, U.S.
three-wheel Bombes
of British
and British-American relations
and change in German codes
comparison of American and British
“hits” with
and Shark system
three-wheel Enigmas
and Banburimus
and Battle of the Atlantic
and British Bombes
and Desch’s plan for American Bombe
and Driscoll’s Enigma work
and flexibility of American Bombes
and German switch in codes
Navy’s lack of information about
and Shark
and Turing’s work
U.S. Army–designed
Tompkins, Charles B.
Torchon, Raymond
Tordella, Louis
torpedoes
Traffic Group
traitor, in U.S. Navy
Trans World Airlines
Travis, Edward
Tropp, Henry
Truman, Harry S
tubes
Desch’s work on
and Duenna
electronic
handcrafting of gas-filled
miniature thyratron
Turing, Alan
awards for
background of
debate between Navy and
and Desch
and development of American Bombes
and Driscoll
and Eachus at Bletchley
Enigma work of
and exchange mission to England
and Japanese codes
marginalization of
memo by
as new class of codebreaker
personality/eccentricities of
suicide of
U.S. visit of
See also Banburismus
23rd Infantry Division, Japanese
U-66,
U-117 (German refueler)
U-177,
U-217, 12
U-234, 3
U-505, 4
U-559,
U-boats
American Bombes’ contribution to destruction of
and American Bombes’ decryption of Shark
British and American attempts to intercept
British knowledge about captains of
and British request for American Bombes
and British-American relations
and Bush’s work in New London
and Dayton project
detection of
Driscoll’s work on
and early British Bombes
and German doubts about security of Enigma
Germans build more
heavy losses of
history of
and Holden agreement
improvements and updates of
in Indian Ocean
last of the messages from
and M section
OP20G begins intercepting and logging messages of
OP20G’s focus on
and Operation Drumbeat
and operations of American Bombes
radar decoys of
refuelers for
Schnorchel-equipped
Shark used by
and Sonder
and Uncle D
Walter
in World War I
See also Battle of the Atlantic; specific U-boat
U-tankers
Uhr box
Ultra
and American dependence on British
and Battle of the Atlantic
betrayal of
and British-American relations
contributions of
and D Day
and Dayton project
and Driscoll-Denniston meeting
and FBI
and German denial of British breaking of German codes
and German innovations on Enigma
leaks concerning
and Montgomery affair
and NCR-MIT links
and Office of Naval Intelligence
OP20G role in
in postwar years
secrecy surrounding
and Shark
and speed of American Bombes
Washington as part of
“Uncle Dora” (German device)
universities
breakdowns among researchers at
as source of new codebreakers
University of Dayton
University of Illinois
University of Michigan
U.S. Bureau of Prisons
USS Bogue
USS California
USS Card
USS Guadalcanal
V-1 “buzz bomb” (German),
V-2 rockets
V-E Day
V-J Day
Vichy codes
>
Vipers (American machines)
Vogel, Evelyn Hodges
Wakelin, James,
Walter, Helmut
Walter submarine, German
Washington, D.C., as operations site of Bombes
Watson, Thomas
WAVES
“adopting” of
daily life of
and Desch
discipline and esprit de corps among
dress code for
establishment of
leadership of
marriage/pregnancy of
and Meader
and Montgomery affair
morale of
motivation of
and operations of Bombes
political clout of
reassignment of
recruitment of
reunion of Dayton
salaries and amenities for
and social class
at Sugar Camp
training of
transfer of
uniform for
and V-J Day
in Washington, D.C.
weather information
Weeks, Robert
Welchman, Gordon
Wenger, Jeffrey
Wenger, Joseph
and British request for American Bombes
and British-American relations
and Bush
computer research of
as confident of Dayton project’s success
and Desch
and design of an all-purpose electronic “computer,”
and development of American Bombes
as Driscoll student
and Driscoll’s work on Enigma
and Enigma
and future of OP20G
and history of American Bombe project
and Hooper
influence of
and Japanese codes
and machine-driven approach to cryptanalysis
and management of Dayton project
and Midway victory
and new guard
as OP20G head
and operational site for Bombes
personal and professional background of
personality of
postwar activities of
and problems in Dayton project
professional background of
psychological breakdown of
and RAMs
recruitment of codebreakers by
and scheme for scientific cryptanalysis
and Shark
and success of American Bombes
and Turing’s U.S. trip
and U-boat codes and ciphers
West, Bill
Wheadon, Patrick
wheels
and American processing of messages
and British-American relations
and development of American Bombes
and inverted American Bombes
and priorities for processing messages
and Shark
size of
and Sonder
and Turing’s memo about Dayton visit
See also four-wheel Bombes; three-wheel Bombes
Wiedemann, Fritz
Wilde, Louise K.
Williams, Harry M.
Winterbotham, F. W.
women
during World War II
See also WAVES
Women’s Army Corps (WACs)
World War I
Wright Air Field
Wright military base
Wright, Orville
Wright, Wilbur
Wynn-Williams, C. E.