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Science & Innovation · Community memorial
Valdemar Poulsen
July 23, 1942
Danish engineer (1869-1942)
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Their story
Valdemar Poulsen was a Danish physicist, inventor and engineer. In the first decade of the 20th century, he achieved the world's first wireless transmission of sounds with his arc transmitter, as did R. A. Fessenden with a machine transmitter, which was a pioneering achievement for both radio technology and the development of radio.
Important dates
- Anniversary · July 23
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