who invent the first stork ticker in 1867
Ticker tape Ticker tape stock price telegraphs were invented in 1867 by Edward A. Calahan, an employee of the American Telegraph Company.[1]
Granville Woods Granville Tailer Woods (April 23, 1856 â€“ January 30, 1910) was an American inventor who held more than 50 patents.[1] He is also the first American of African ancestry to be a mechanical and electrical engineer after the Civil War.[2] Self-taught, he concentrated most of his work on trains and streetcars. One of his notable inventions was the Multiplex Telegraph, a device that sent messages between train stations and moving trains. His work assured a safer and better public transportation system for the cities of the United States.