Who constructed the first radio receiver?
Guglielmo Marconi
Nikola Tesla
Alexander Graham Bell
Thomas Edison
Marconi was credited to be the first radio constructor, but in 1943 the US Supreme Court has granted patent rights to Tesla patent. Marconi admitted he was using Tesla's work in his construction.
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Answers by country
Guglielmo Marconi
Nikola Tesla
Alexander Graham Bell
Thomas Edison
answers
the United States
57
Estonia
10
Greece
12
Australia
25
Poland
1501
India
33
Germany
175
the United Kingdom
35
Republic of Ireland
20
Austria
40
Switzerland
17