NEWS: The invention of radio and a South African town called Vanderbijlpark

Hendrik Johannes van der Bijl was born in Pretoria in 1887 and studied at Victoria College (today Stellenbosch University) before travelling to Germany to complete his doctorate in electrical engineering. While busy with his studies he unwittingly reinvented the thermionic valve that had first been developed by the American Lee de Forest in 1906. Van … Continue reading NEWS: The invention of radio and a South African town called Vanderbijlpark