Hanso Idzerda

Hanso Schotanus á Steringa Idzerda (26 September 1885 – 2 November 1944) was a Dutch scientist, entrepreneur and pioneer in radio technology.

He probably first registered at his branch in The Hague in June 1913 under his first names Hanso Henricus and the surname Schotanus à Steringa Idzerda.

Between 1907 and 1917 he worked on further developing the triode vacuum tube that had already been invented in America in 1906 by Lee De Forest.

In his own company, under the name Technische Bureau Wireless, he started manufacturing equipment, which he supplied to the Dutch army, among others.

During the Utrecht Jaarbeurs, at the end of February 1919, he demonstrated radiotelephonic transmissions over a distance of 1200 meters for the first time in the Netherlands.

In 1922 the Daily Mail decided to sponsor Idzerda, who previously financed the operation with his own money and some donations.