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Hanso Schotanus á Steringa Idzerda (26 September 1885 – 2 November 1944) was a Dutch scientist, entrepreneur and pioneer in radio technology.
Between 1907 and 1917 he worked to introduce the already invented
Between 1907 and 1917 he worked to introduce the already invented triode
A triode is an electronic amplifying vacuum tube (or ''valve'' in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode). Developed from Lee De Forest's ...
into radio technology. In 1919 Idzerda invented the triode IDZ-lamp, which was capable of transmitting and receiving radio messages containing the human voice. On 6 November 1919 he held the first public airing of a radio programme
A radio program, radio programme, or radio show is a segment of content intended for broadcast on radio. It may be a one-time production or part of a periodically recurring series. A single program in a series is called an episode.
Radio networ ...
. His programme consisted of music, and him talking for a bit in between pieces. The PCGG
PCGG (also known as the Dutch Concerts station) was a radio station located at The Hague in the Netherlands, which began broadcasting a regular schedule of entertainment programmes on 6 November 1919. The station was established by engineer Hanso ...
transmitter he invented was capable of transmitting signals from The Hague
The Hague ( ; nl, Den Haag or ) is a city and municipality of the Netherlands, situated on the west coast facing the North Sea. The Hague is the country's administrative centre and its seat of government, and while the official capital o ...
all the way to England
England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...
. Herman de Man
Salomon Herman "Sal" Hamburger (11 July 1898 – 14 November 1946), known under his pseudonym Herman de Man, was a Dutch novelist.
Life and work
Salomon Herman Hamburger was born on 11 July 1898 in Woerden in the Netherlands.
De Man, son of b ...
, later to be an important author and radio maker, was present. From then on the programme aired every week. In 1922 the '' Daily Mail'' decided to sponsor Idzerda, who previously financed the operation with his own money and some donations. After the ''Daily Mail'' ceased its support Idzerda's company went bankrupt.
On 2 November 1944, a V-2 rocket
The V-2 (german: Vergeltungswaffe 2, lit=Retaliation Weapon 2), with the technical name ''Aggregat 4'' (A-4), was the world’s first long-range guided ballistic missile. The missile, powered by a liquid-propellant rocket engine, was develop ...
that was being tested close to his house crashed, and Idzerda decided to take a look. He was ordered to leave the area but later snuck back to the rocket and was promptly executed.
References
{{Authority control 1885 births 1944 deaths 20th-century Dutch scientists 20th-century Dutch inventors History of radio