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'Signor Marconi', c1900. Guglielmo Giovanni Maria Marconi, Italian inventor and electrical engineer, known for his creation of a practical radio wave-based wireless telegraph system. Engraving after a photograph. From "Cassell's History of England, Vol. IX". [Cassell and Company, Limited, London, Paris, New York & Melbourne] 'Signor Marconi', c1900. Creator: Unknown. (KEYSTONE/HERITAGE IMAGES/THE PRINT COLLECTOR)