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X-WR-CALDESC:12 September 1946: Cryptologic pioneer Elizebeth Friedman depa
rts the U.S. Coast Guard. Read a full accounting of Elizebeth Friedman's c
areer in her Cryptologic Hall of Honor entry via the link at the bottom of
the page. \n\nExcerpt from article by Sally J. Ling - Florida's Histor
y Detective about Famous Women of Prohibition - see the original artic
le via the link at the bottom of the page.\n\nIn the early days of the war
on liquor\, the Coast Guard located smuggling vessels by cruising until t
hey were sighted. But things quickly changed when the syndicates entered t
he picture bringing with them money to install larger engines and radio co
mmunication.\n\nIn 1924\, the Coast Guard set up shore radio stations alon
g the east coast of the U.S. from Nahant\, Massachusetts to Fort Lauderdal
e\, Florida\, to better communicate with ships at sea. To counter this\, m
ore rum ships became radio-equipped. This resulted in the necessary establ
ishment of clandestine radio stations on shore by the rummies. Both organi
zations communicated to their respective organizations by code.\n\nLt. Fra
nk M. Meals\, a telegraph operator and radioman\, was given the task of pr
eparing a suitable code for use strictly by the Coast Guard. Teamed up wit
h Robert T. Brown and the Army’s Chief Cryptanalyst\, Maj. William F. Frie
dman and his wife\, Elizebeth\, they produced the Coast Guard’s first offi
cial code book. William Friedman\, the leading cryptologist of his time\,
became known as the father of modern Army cryptology. Elizebeth went on to
establish quite a reputation in her own right.\n\nElizebeth’s first paid
position was at Riverbank\, the only facility in the U.S. seriously capabl
e of solving enciphered messages. In 1923\, the U.S. Navy employed her as
a cryptanalyst where she led the cryptanalytic effort against internationa
l smuggling and drug-running radio and encoded messages\, which the runner
s began to use extensively to conduct their operations.\n\nWhile working f
or the Coast Guard during the Prohibition era\, she decoded over 12\,000 r
um-runners’ messages. In 1933 her efforts resulted in convictions against
thirty-five bootlegging ringleaders found to have violated the Volstead Ac
t. These ringleaders were later linked directly to suspected vessels as a
result of the information arising out of her analysis.\n
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DESCRIPTION:12 September 1946: Cryptologic pioneer Elizebeth Friedman depar
ts the U.S. Coast Guard. Read a full accounting of Elizebeth Friedman's ca
reer in her Cryptologic Hall of Honor entry via the link at the bottom of
the page. \n\nExcerpt from article by Sally J. Ling - Florida's History
Detective about Famous Women of Prohibition - see the original articl
e via the link at the bottom of the page.\n\nIn the early days of the war
on liquor\, the Coast Guard located smuggling vessels by cruising until th
ey were sighted. But things quickly changed when the syndicates entered th
e picture bringing with them money to install larger engines and radio com
munication.\n\nIn 1924\, the Coast Guard set up shore radio stations along
the east coast of the U.S. from Nahant\, Massachusetts to Fort Lauderdale
\, Florida\, to better communicate with ships at sea. To counter this\, mo
re rum ships became radio-equipped. This resulted in the necessary establi
shment of clandestine radio stations on shore by the rummies. Both organiz
ations communicated to their respective organizations by code.\n\nLt. Fran
k M. Meals\, a telegraph operator and radioman\, was given the task of pre
paring a suitable code for use strictly by the Coast Guard. Teamed up with
Robert T. Brown and the Army’s Chief Cryptanalyst\, Maj. William F. Fried
man and his wife\, Elizebeth\, they produced the Coast Guard’s first offic
ial code book. William Friedman\, the leading cryptologist of his time\, b
ecame known as the father of modern Army cryptology. Elizebeth went on to
establish quite a reputation in her own right.\n\nElizebeth’s first paid p
osition was at Riverbank\, the only facility in the U.S. seriously capable
of solving enciphered messages. In 1923\, the U.S. Navy employed her as a
cryptanalyst where she led the cryptanalytic effort against international
smuggling and drug-running radio and encoded messages\, which the runners
began to use extensively to conduct their operations.\n\nWhile working fo
r the Coast Guard during the Prohibition era\, she decoded over 12\,000 ru
m-runners’ messages. In 1933 her efforts resulted in convictions against t
hirty-five bootlegging ringleaders found to have violated the Volstead Act
. These ringleaders were later linked directly to suspected vessels as a r
esult of the information arising out of her analysis.\n
DTSTART;TZID=America/New_York:20190912T000000
DTEND;TZID=America/New_York:20190912T235900
LOCATION:
SUMMARY:1946: Elizebeth Friedman departs the U.S. Coast Guard.
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