Born in Bologna, Italy in 1874, died in Rome in 1937, the Nobel Prize-winning physicist and inventor Guglielmo Marconi did the groundbreaking work necessary for all future radio technology. Through his experiments in wireless telegraphy, Marconi developed the first effective system of radio communication. In 1899, he founded the Marconi Telegraph Company.

Guglielmo Marconi sent and received his first radio signal in Italy in 1895. By 1899 he flashed the first wireless signal across the English Channel and two years later in 1901 he telegraphed a signal from England to Newfoundland. This was the first successful transatlantic radiotelegraph communication, that disproved the dominant belief of the Earth's curvature affecting transmission.

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Source: http://www.iicnewyork.esteri.it