The person who invented the telegraph was Samuel Morse. He was born in Charlestown, Massachusetts on April 27, 1971. "Samuel Finely Breese Morse was an American painter and inventor"(Wikipedia, Oct 2016)
The school that he went to was Phillips Academy in Andover. When he went to Yale, he was able to build the telegraph with other scientists. The jobs that he
had were a painter, an artist, and an inventor. He had 22 family members. The inventor died in New York City on April 2, 1872 when he was 80 years old, of pneumonia, which is a lung infection. The inventor found out how to use the flow of the electric current to make a code. The code was made by the telegraph
The telegraph was built in the United States in the 1830s and 1840s. “A telegraph is a system that can transmit signals by an electrical device". “The telegraph works by pushing an operating key to close the circuit of a battery that is connected to a wire receiver. Morse sent a message using the telegraph from Washington DC to Baltimore, Maryland. If you wanted to send messages by the telegraph you need to use the Morse code. Each letter has its own series of dots and dashes.
If the telegraph wasn't invented, then the 20th century's new message technology would not have been emerged. Many new technologies are based on the principles that were developed when the telegraph system was built. The telegraph is not used today, because the telegraph was replaced by the telephone.