Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos

Valdemar Poulsen: Quick Facts

Written and fact-checked by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
The Information Architects of Encyclopaedia Britannica

Facts

Born November 23, 1869 • Copenhagen • Denmark
Died July 1942 (aged 72) • Copenhagen • Denmark

Photos

telegraphone
See All Images →
default image
Jack Kilby
American engineer
Reginald A. Fessenden.
Reginald Aubrey Fessenden
Canadian scientist
Armstrong, Edwin H.
Edwin H. Armstrong
American inventor
Aleksandr Popov, detail of a painting by P.D. Korin
Aleksandr Popov
Russian engineer
default image
William P. Lear
American engineer and industrialist
default image
George Washington Pierce
American inventor
default image
Henry Joseph Round
British engineer and inventor
Alexanderson alternator
Ernst F.W. Alexanderson
American electrical engineer
default image
Greenleaf Whittier Pickard
American electrical engineer
default image
Albert Hoyt Taylor
American physicist and radio engineer
default image
Frank Conrad
American electrical engineer and inventor
default image
Alexander Meissner
Austrian engineer
default image
Konrad Zuse
German engineer
Lisa Su stands onstage holding a small black rectangular AMD Ryzen AI Halo computer device in both hands.
Lisa Su
Taiwanese-born American engineer and business executive
Charles Steinmetz.
Charles Proteus Steinmetz
American engineer
Zworykin, Vladimir
Vladimir Zworykin
American engineer and inventor
Steve Wozniak smiling, wearing a black jacket and black shirt, pictured against a plain light background.
Steve Wozniak
American electronics engineer
default image
Morita Akio
Japanese businessman
default image
Martin Cooper
American engineer
default image
Harold Rosen
American engineer