Edward A. Calahan
id:
edward-a-calahan-250-4623892
title:
Edward A. Calahan
text:
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 to pursue his interest to be part of a modern business. Calahan came to New York 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 enc
brand slug:
wiki
category slug:
encyclopedia
description:
American inventor
original url:
https://en.wikipedia.org/wiki/Edward_A._Calahan
date created:
date modified:
2023-12-29T04:10:39Z
main entity:
{"identifier":"Q1291468","url":"https://www.wikidata.org/entity/Q1291468"}
image:
fields total:
13
integrity:
14