Who Invented Radio: Guglielmo Marconi or Aleksandr Popov? - IEEE Spectrum
Who invented Radio?
Who invented the radio? | HowStuffWorks
Discovering the Electromagnetic Spectrum
Who Invented It? The Controversial History of Technology and Invention - ppt download
Nobel Prize - When Guglielmo Marconi died on 20 July 1937, a message from the British Post Office was sent to all ships asking them to stop transmitting for two minutes the