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Guglielmo Marconi


 

Bologna 25.April.1874- Rome 20.July.1937


 


Biographical notes

 
 
       
 
       

Born in Bologna in Asse, 1170 by Jameson was James and Annetta Marconi Dominic Joseph was in 1874.  


Receives a private in '87 attends the National Institute of Livorno. Experiences in the years 1893-95 the transmission of electrical signals by methods of Hertz and Righi and in the spring of 1895 from his Villa Grifone sends signals to 1.5 km away, beyond the hills of Celestini, and the factor gives confirmation of receipt occurred through the famous coup rifle was born radiotelegraphy. In 1896 he moved with his mother to London and deposited here a patent application number 5028 , March 5, 1896 (Privative Provisional). Thanks to a relative of the mother AAC Swinton presents his invention to the head of Postal English Preece Sir William Henry (1834-1913). . The June 02 qualify for British Patent 12039, and finally on 12 December presents all 'chief engineer (General Post Office), his invention and these will provide funds to continue the research. On 20 December 1896 gives real news to Italian Ambassador Gen.  Hannibal Ferrero, in London, his invention. With funds received the following year (May 14, 1897) makes a transmission from Lavernock Point, near Cardiff, the island Flat Holm, in the Bristol Channel, situated at a distance of 5 3 km in July bases "The Wireless Telegraph and Signal Company Ltd." in the autumn of that year, passing from La Spezia, reaches a distance of 15 km. In 1898 creates the experimental stations of Alum Bay (Needles Hotels , Isle of Wight); on the sleeve of Bournemouth (Madeira House); on Rathlin in Ireland; Poole at Bournemouth. On 27 March 1899 makes the first link between England and France, from South Foreland (Dover) Vimereux (Boulogne). ( 300 Km )  Also in'99 makes a connection between the station and Needles warships British navy (reaching 130 km)     


In 1900 to install Poldhu, England, a big station transmitting power of 25 kW. On 26 April 1900 obtained a patent on the 7777 British Telegraph Sin tonic In 1901 he was issued a patent on the use of circuits granted, both in transmission that receipt. demonstrations In its Marconi employs long-wave, taking advantage of the phenomenon of diffraction to achieve greater distances, and December 12, 1901, with waves from 1500 m, can connect Poldhu, Cornwall, St.John in Newfoundland, a distance of more than 3,400 km, making sure that the curvature of the earth not hampered transmission and giving demonstration of the existence of the ionosphere, December 17, 1902 inauguration of the first regular link between radio telegraphic Poldhu and the island of Newfoundland. latter After Marconi experience becomes international personality, and in 1909 the Nobel Prize for Physics, many medals, honorary degrees to the part of many universities around the world, election as a member of several academies Scientific Bursts the First World War, Italy enters into War and Marconi is recruit volunteer in marina.  After the war, having funds available in 1919 Marconi acquires panfilo Elettra on which perform all his experiments and research.


Indeed in 1923 is developing a short-wave apparatus beam. Beside the technical events business flows sentimental life of Marconi and 27 April 1927, the Vatican cancels the marriage with Beatrice O'Brien and June 2 Bride Maria Cristina Bezzi Scali this new family born daughter Elettra (20 July 1930). In 1928 Marconi was appointed president of CNR, the year after the King conferred the title of Marquis hereditary. In September 1930 is president of the Royal Academy of Italy becoming de facto member of the Great Council of fascism. In February 1931 was inaugurated radio Vatican in the presence of Pius XI 1937 begins to suffer from heart disease that led him to death in Rome.  He died on July 20 in Rome on Radio father.