Who Invented Radio: Guglielmo Marconi or Aleksandr Popov? | IEEE Spectrum

“Now, it’s not always the case that museums know what’s in their own collections. The origins of equipment that’s long been obsolete can be particularly hard to trace. With spotty record keeping and changes in personnel, institutional memory can lose track of what an object is or why it was important.”

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Guglielmo, Marchese Marconi. Colour lithograph by Sir L. Ward [Spy], 1905. Men of the Day No.0955. Caption reads: "Wires without wires". Public Domain USA

Soviet Union stamp: "130th anniversary of the birth of Alexander Popov (1859-1906)" (1989, October 5. Making Nikitina, TSFA number 6117). Demonstration A.S.Popov, he invented the world's first radio. Admiral SO Makarov and members of the Russian Physical and Chemical Society 25.04 (7.05) 1895 (painting by N. Sysoev, 1986, oil on canvas, CMS). Source: Catalogue of postage stamps of the USSR in 1989, ITC "Mark", 199