Guglielmo Giovanni Maria Marconi, 1st Marquess of Marconi (25 April 1874 – 20 July 1937), was an Italian electrical engineer, inventor, and politician known for his creation of a practical radio wave-based wireless telegraph system. This led to his being largely credited as the inventor of radio and sharing the 1909 Nobel Prize in Physics with Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy."
As an entrepreneur and a businessman, Marconi founded The Wireless Telegraph & Signal Company (later the Marconi Company) in the United Kingdom in 1897. In 1929, he was ennobled as a marquess (Italian: marchese) by King Victor Emmanuel III, thus becoming the 1st Marchese di Marconi. In 1931, he set up Vatican Radio for Pope Pius XI.
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