<P> 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 . </P>
<P> 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 . </P>
who invent the first stock tricker in 1867
who invent the first stock tricker in 1867
Edward Augustin Calahan
Edward Augustin Calahan