Historical FigureMale
Valdemar Puulsen
1869 – 1942
About this person
Wikipedia SummaryValdemar Poulsen was a Danish engineer and inventor who developed a magnetic wire recorder called the telegraphone in 1898. He also made significant contributions to early radio technology, including the first continuous wave radio transmitter, the Poulsen arc, which was used for a majority of the earliest audio radio transmissions, before being supplanted by the development of vacuum-tube transmitters.
Biographical & Professional Details
Date of birth
November 23, 1869
Copenhagen
Date of death
July 23, 1942
Gentofte
Citizenship
Kingdom of Denmark
Occupations & fields
physicistengineertechnician
Awards & honours
National Inventors Hall of Famehonorary doctor of the Leipzig Universitycommander of the Order of the DannebrogKnight Grand Officer of the Order of the DannebrogMedal of Merit in Gold with Crownhonorary doctor of the Technical University of Denmark
Notable works
telegraphonArc converter
- Field and occupation
- vynálezce
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