About: Edward A. Calahan

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An Entity of Type : yago:LivingThing100004258, within Data Space : dbpedia.org associated with source document(s)
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Edward Augustin Calahan (1838–1912) was an American inventor, credited with invention of a ticker tape, gold and stock tickers, and a multiplex telegraph system. Calahan was born in Boston, Massachusetts. He left school at the age of 11 years of age to pursue his interest to be part of a modern business.

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rdfs:label	Edward A. Calahan
rdfs:comment	Edward Augustin Calahan (1838–1912) was an American inventor, credited with invention of a ticker tape, gold and stock tickers, and a multiplex telegraph system. Calahan was born in Boston, Massachusetts. He left school at the age of 11 years of age to pursue his interest to be part of a modern business.
foaf:name	Edward A. Calahan
name	Edward A. Calahan
foaf:isPrimaryTopicOf	wikipedia-en:Edward_A._Calahan
birth place	Boston, Massachusetts
dct:subject	1912 deaths 1838 births 19th-century American inventors
Wikipage page ID	34865354(xsd:integer)
Wikipage revision ID	986432062(xsd:integer)
Link from a Wikipage to another Wikipage	1912 deaths Boston 1838 births 19th-century American inventors Telegraphy Brooklyn National Inventors Hall of Fame New York City Western Union Manhattan Ticker Tape
sameAs	Edward A. Calahan Edward A. Calahan Edward A. Calahan
dbp:wikiPageUsesTemplate	dbt:Infobox_person dbt:Reflist dbt:Death_year_and_age
birth date	1838(xsd:integer)
known for	Invention of ticker tape, gold and stock tickers, multiplex telegraph system
nationality	American
occupation	Inventor
has abstract	Edward Augustin Calahan (1838–1912) was an American inventor, credited with invention of a ticker tape, gold and stock tickers, and a multiplex telegraph system. Calahan was born in Boston, Massachusetts. He left school at the age of 11 years of age to pursue his interest to be part of a modern business. Calahan came to New York City in 1861 and made his residence in Brooklyn. He joined as chief telegrapher in Western Union telegraph company's New York office at Manhattan. While working with Western Union, he encountered a group of rushing messenger boys which inspired him to improve exchange communications. These young men called runners had to dash from the Stock Exchange to their offices to report the changes in share values. Calahan realized that the prices could be sent directly via telegraph to each broker's office much more quickly and efficiently in a permanent stream of information.With the idea, he invented the ticker tape in 1867. After many years of work he started the company ADT security, which still stands today. He was inducted to the National Inventors Hall of Fame in 2006 for this invention.
birth year	1838-01-01(xsd:dateTime)
occupation	dbr:Edward_A._Calahan__PersonFunction__1
prov:wasDerivedFrom	wikipedia-en:Edward_A._Calahan?oldid=986432062&ns=0
page length (characters) of wiki page	3021(xsd:integer)
is foaf:primaryTopic of	wikipedia-en:Edward_A._Calahan
is Link from a Wikipage to another Wikipage of	Telegraphy ADT Inc. Callahan (surname) List of inventors Ticker Tape

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