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Computer
In 1822, Charles Babbage created the first computer.
It was the first automatic computing machine that could calculate various sets of numbers and make hard copies of the results. -
Telegraph
Joseph Henry built the first telegraph in 1829 but the person who impulsed this invent was Samuel Morse. -
Telephone
Alexander Graham Bell invented the first telephone, he invented this telecommunication in New York. -
Radio
In 1901, the Italian Guillermo Marconi invented the radio, he connected a signal from Europe to America for the first time. -
Television
John Logie Baird invented television. After several attempts he copied the electromagnetic wave system and turned into a television. -
Tablet
Alan Kay was the first person to get something similar to a tablet, of course was tactile. -
Mobile phone
Martin Cooper created the mobile phone, he wanted to communicate with other people on a certain distance and he did it.