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Index
*The following items may be used as a guide to search for information in this eBook.
Aberdeen Proving Ground
Abernethy, Barbara
Abwehr (German intelligence)
Adam and Eve (American Bombe prototypes)
additives. See Japanese codes
Aircraft Production Board
Allyn, Stanley
American Bombes
and Battle of the Atlantic
British help with
British request for delivery of
and British-American relations
complexity and flexibility of
contribution of
delivery of first
Desch approached about developing
as Desch’s challenge
Desch credited with development of
Desch develops plan for
destruction of
development/improvements of
differences between British Bombes and
“double-input” feature in
double-unit
early production
efficiency of
electronic
Ely outlines need for
expectations concerning
final version of
first model for
flexibility of
four-wheel
history of
and IC method
inverted
limitations of
noise of
and number of Bombes needed
number in operation in 1943 of
operational site for
in postwar years
reliability of
repair and maintenance of
and rewind feature
second design
in Smithsonian Institution
speed of
Turing’s comments about
and Turing’s U.S. visit
turning point for
and Uhr box
Washington as operations site for
See also Dayton project; specific machine or code system
Americans. See American Bombes; Dayton project; specific person or code system
“Amirs,”
analog machines
of British
of Raven
Anderson, Darrell
Anderson, Debbie
and Desch’s awards
and Desch’s breakdown
and Desch’s death
and Desch’s guilt
and Desch’s personality
and Desch’s religious views
and Desch’s resignation from Army
and Desch’s retirement
and Desch’s security clearance
and Desch’s views about war
and Meader-Desch relationship
and Navy-Desch relationship
NSA meeting with
and parents’ relationship
and secrecy about Ultra
and secrecy of Dayton Project
and Smithsonian Institution
and Tropp-Desch interview
and Turing’s U.S. visit
and WAVES reunion
Anderson, Walter S.
Anderson, William S.
anti-surface vessel (ASV) radar
antiaircraft weapons, German
antisubmarine forces, American
&nbs
p; antisubmarine warfare, improvements in
“Aphrodite” (German balloon)
Army Air Forces, U.S.
Army, U.S.
and British-American relations
and Denniston’s U.S. visit
Desch’s work for
and Duenna
and exchange mission to England
funding for codebreaking in
Liberty engines developed for
new designs by
postwar codebreaking activities of
request for British Bombe from
Signal Intelligence Service of
Stevens as liaison to
Stevens’ report about codebreakers in
and Uncle D.
See also Aberdeen Proving Ground; Friedman, William
atomic bomb
Autoscritcher
Banburismus
Battle of the Atlantic
and British-American relations
and Denniston’s U.S. visit
estimation of sub sinkings in
history of
in 1941
in
in 1944–45
and pressures on Dayton project
and Ultra
Battle of Britain
Battle of the Coral Sea
Battle of Leyte Gulf
Bay of Biscay
Belmont (FBI agent)
Bennett, James V.
bigram tables
Bletchley Park (England)
and British-American competition
Denniston steps down as head of
Driscoll turns down invitation to visit
exchange missions to
first American visitors to
mail lost between OP20G and
and old vs. new generation of codebreakers
possibility of attack on
Travis as head of
See also British Bombes; British-American relations; specific person or project
Bochicchio, Phil
Bombes
primary task of
See also American Bombes; British Bombes
Bovril
See also German Air Force Enigma codes; German Army Enigma codes
Braswell, Dorothy
breakdowns, psychological/physical
British
and Dayton Enigma intercept test
and Montgomery affair
request for American Bombes from
and U-boat communications
and Uhr box
views about Dayton project of
See also Bletchley Park; British Bombes; specific person or code system
British Bombes
Americans’ lack of interest in
brushes in
delays in development of
Desch information about
Desch machine as different from
differences between American Bombes and
Driscoll rejects
early
electrical flow in
first electromechanical
four-wheel
influence on Dayton project of
Keen-designed
manufacturing of
and M section’s attack on four-rotor Enigma
Navy’s lack of information about
number of
as parallel/analog machines
in postwar years
resources for developing
Standard
three-wheel
U.S. Army request for
weaknesses of
and wheel size
See also Banburimus; British-American relations; specific person or code system
British naval codes
British Tabulating Machine Company (BTMC)
British-American relations
and American dependence on British
and American independence
and American processing of messages
and British request for American Bombes
British reservations about
and comparison of British and American machines
competition in
and cribs
cultural and communication barriers in
and Dayton project staff’s resentment toward British
and Denniston’s U.S. visit
and Desch
and development of American Bombes
and Driscoll
early cooperation in
and exchange missions
and four-wheel British Bombes
and history of American Bombe project
and Holden agreement
and how much to reveal
and Montgomery affair
and possibility of attack on Bletchley
and priorities for processing messages
security concerns in
and sharing of intelligence
and Stevens’ report about U.S. Army codebreakers
and three-wheel Bombes
and Turing’s U.S. trip
and U-boat intelligence
and World War I
See also specific person, project, or code system
Bruce, Carmelita Ford
Bruce, Ralph
brushes
Buchholz, C. C.
Budiansky, Stephen
Building 10 (NCR)
Building 20 (NCR)
Building 26 (NCR)
Desch moves to
description of
and destruction of Bombes
as site of Bombe project
in 2002
See also Dayton project
Bulldozer (American Bombe)
Bureau of Ships (U.S. Navy)
Bureau of Yards and Docks (U.S. Navy)
Burger, Albert
Burger, Augusta “Gusty,”
Bush, Vannevar
calculating machine of
and Deeds
Desch recruited by
funding for
and fusion of military and science
and Hooper-Wenger projects
and Kettering
at MIT
and modernization of U.S. military
Navy’s connection with
NCR’s connection with
and NDRC
and RAMs
reputation of
and U-boat problem in World War I
and Wenger
“C” (aka Stuart Menzies)
Cadman, Lord
Cain and Abel prototypes (Dayton project)
calculator
of Bush
Desch-designed
electronic digital
high-speed
NCR
and old vs. new generation of codebreakers
See also electronic counters
California Institute of Technology
Campaigne, Howard
catalogs
Churchill, Winston
cipher machines (CM)
Hebern’s invention of
rotor
See also “Purple”
ciphers
codes distinquished from
See also specific system
civil libertarians
Clark, Tom C.
Clarke, Joan
Clifford, Al
Cobra
codebooks
British capture of German
and British-American relations
building of
and development of American Bombes
and Japanese codes
codebreakers
breakdowns among
correspondence course for
“crypto-reserve” of
and Holden agreement
old vs. new guard of
universities as source of
See also specific person
codebreaking machines
and British-U.S. competition
decision to embed Turing logic into
importance of developing
and machine-driven approach to codebreaking
universal
Se
e also specific machine or project
codes
ciphers distinquished from
See also Red Book; specific code system
“cold point,”
Cold War
Colossus (British machine)
Columbia University
Communications Group
communications system, flash
Comparators (American machine)
computers
Bush first conceives of personal
Desch’s work on
design of all-purpose, electronic
forerunners of first modern
Wenger’s research on
convoys. See Battle of the Atlantic
Coombs, John
Copperheads (American machines)
Coral (Japanese machines)
Cormier, Richard L.
corporations
breakdowns among engineers at
in postwar years
as source of funding
correspondence course, cryptoanalysis
Cox, James M.
“crash,”
Crawford, Calvin
Crib Group
cribs
and American processes for decryption
and analysis of German naval communications
British capture of German materials about
and British-American relations
and changes in Enigma system
and cribbing as art
and D Day
and Denniston’s U.S. visit
and development of American Bombes
and Driscoll’s catalog
and early British Bombes
and Enigma’s weaknesses
and inverted American Bombes
and Japanese codes
and Keen-designed Bombes
length of
and priorities for processing messages
and Shark
Turing’s work on
and Uhr box
Currier, Prescott
CVEs (small escort carriers)
Cypher No. 3 (British)
Cypher No. 5 (British)
D Day
Davis, Joan Bert
Dayton Electric
Dayton, Ohio
as center for inventors
characteristics of
war plants in
WAVES in
during World War II
Dayton project
and analog machines
autonomy of
British Bombes’ influence on
and British sharing of information
British views about
and civilian-military relations
closing of
and Copperheads
creation of
deferments for employees of
delays in
as Desch challenge
Desch develops plan for
and Desch’s management style
and Duenna
early production machines of
Ely and Eachus visit
and Enigma intercept test
on fast track
funding/cost of
guilt as motivation in
importance of
