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It was created in 1822 by Charles Babbage, he was a British mathematician and mechanical engineer who designed and built the first mechanical differential calculating machine and an analytical machine. He's known as the father of digital computing. -
It was Joseph Henry who in 1829 built the first telegraph. However, the person who gave it great impetus was the American Samuel Morse (1791-1872), who invented a code that bears his name. -
The telettrofono or telephone was invented in 1854 by the Italian Antonio Meucci. The purpose was simple: to connect his office with his bedroom in order to be able to talk to his sick wife who was bedridden due to a serious illness. -
the discovery of radio was not without polemics, but on May 14, 1897, the Italian electrical engineer and Nobel Prize winner Guillermo Marconi made the first radio transmission in history. -
Television was invented by John Logie Baird in 1923 in the town of Hastings, England and the first television picture was broadcast by Baird in 1926. -
1968, the year in which Alan Kay surprised with a conceptual design that we can consider as the common "grandfather" of all electronic tablets, the Dynabook. -
On April 3, 1973, Martin Cooper of Motorola made the first call from a DynaTAC 8000X project cell phone from a New York street.