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Computer - Charles Babbage
Charles Babbage conceptualized and began to develop the Difference Engine. It was considered the first automatic computing machine capable of calculating various sets of numbers and making hard copies of the results. -
Telegraph - David Alter
David Alter invented the electric telegraph, one year before the popular Morse telegraph was invented. -
Radio - Julio Cervera Baviera
developed radio before Marconi. It is true that the Italian invented wireless telegraphy before Cervera, but to transmit signals, not sounds. -
Television - John Logie Baird
Baird's early technological successes, and his role in introducing television as a medium for home entertainment, have earned him a prominent place in television history. -
Tablet - Alan Kay
Apple made them popular with the famous iPad, but who invented the tablet? It was the American engineer Alan Kay who first proposed something very similar to a tablet in 1968. -
Mobile Phone - Martin Cooper
Cooper invented the first handheld mobile phone in 1973 and led the team that developed it and brought it to market in 1983. -
Telephone - Alexander Graham Bell
Alexander Graham Bell is often credited with being the inventor of the telephone since he was awarded the first successful patent.