Guglielmo Marconi

Italian electrical engineer and inventor

Born: April 25, 1874 · Died: July 20, 1937

Famous Persons

Who was Guglielmo Marconi?

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. Guglielmo Giovanni Maria Marconi was born at Palazzo Dall'Armi Marescalchi in Bologna, Italy, the son of Giuseppe Marconi—a landowner from Capugnano in the Bolognese Apennines, who later lived in Pontecchio—and his second wife, Annie Jameson, the granddaughter of John Jameson, the founder of Jameson Irish Whiskey. 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.

Historical significance

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. Guglielmo Giovanni Maria Marconi, 1st Marquess of Marconi, 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.

1897 illustration of Marconi with his invention

Sources and further reading

Use the dated article for the day-specific account; use these references to check the event record and explore its wider historical context.

Wikipedia source

Cite this page

MLA

“Guglielmo Marconi.” thisDay, thisday.info/people/guglielmo-marconi/. Accessed 19 Oct. 2026.

APA

Guglielmo Marconi. (n.d.). thisDay. Retrieved October 19, 2026, from https://thisday.info/people/guglielmo-marconi/

Chicago

“Guglielmo Marconi.” thisDay. Accessed October 19, 2026. https://thisday.info/people/guglielmo-marconi/.

Found an error? Let us know.