American physicist, inventor,
Transmits human voice on radiowaves via high-frequency oscillator, December 23rd ,1900.
"One-two-three-four, is it snowing where you are Mr. Thiessen? If it is, would you telegraph back to me?"
Mr. Thiessen, one mile distant, confirmed. Such a luck it was snowing. Radio broadcasting was born.
More on the hammond museum of radio website.
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