Guglielmo Giovanni Maria Marconi, 1st Marquess of Marconi, was an Italian radio-frequency engineer, inventor, and politician known for his creation of a practical radio wave-based wireless telegraph s
Marconi in 1908
Marconi's first transmitter incorporating a monopole antenna. It consisted of an elevated copper sheet (top) connected to a Righi spark gap (left) powered by an induction coil (centre) with a telegraph key (right) to switch it on and off to spell out text messages in Morse code.
1897 illustration of Marconi with his invention
British Post Office engineers inspect Marconi's radio equipment during a demonstration on Flat Holm Island in the Bristol Channel, 13 May 1897. The transmitter is at the centre, the coherer receiver below it, and the pole supporting the wire antenna is visible at top.
The invention of radio communication was preceded by many decades of establishing theoretical underpinnings, discovery and experimental investigation of radio waves, and engineering and technical deve
A French ship-to-shore radio station in 1904