Italian inventor and radio pioneer
The Nobel Prize in Physics 1909
https://www.nobelprize.org/prizes/physics/1909/marconi/biographical/
Web
Guglielmo Marconi
https://indicator.ru/engineering-science/gulelmo-markoni.htm
April 26, 2017
Biography of Guglielmo Marconi, Italian Inventor and Electrical Engineer
Robert Longley
https://www.thoughtco.com/guglielmo-marconi-biography-4175003
September 25, 2018
https://www.newworldencyclopedia.org/entry/Guglielmo_Marconi
https://en.wikipedia.org/wiki/Guglielmo_Marconi