Valdemar Poulsen, Date of Birth, Place of Birth, Date of Death

Valdemar Poulsen

Danish engineer

Date of Birth: 23-Nov-1869

Place of Birth: Copenhagen, Capital Region of Denmark, Denmark

Date of Death: 23-Jul-1942

Profession: engineer, physicist

Nationality: Denmark

Zodiac Sign: Sagittarius

Valdemar Poulsen (23 November 1869 – 23 July 1942) was a Danish engineer who made significant contributions to early radio technology.
He developed a magnetic wire recorder called the telegraphone in 1898 and the first continuous wave radio transmitter, the Poulsen arc transmitter, in 1903, which was used in some of the first broadcasting stations until the early 1920s.