Updated: 09/15/2017 by Computer Hope
Name: Karl Ferdinand Braun
Born: June 6, 1850, in Fulda, Electorate of Hessen, Germany
Death: April 20, 1918 (Age: 67)
- German inventor, physicist, and Nobel laureate in physics.
- Contributed significantly to the development of the radio and television technology: he shared with Guglielmo Marconi the 1909 Nobel Prize in Physics.
- In 1874 he discovered that a point-contact semiconductor rectifies alternating Current.
- In 1897 he built the first Cathode-Ray Tube (CRT) and cathode ray tube oscilloscope. The CRT is still called the "Braun tube" in German-speaking countries (Braunsche Röhre) and in Japan.
- Around 1898, he invented a crystal diode rectifier or cat's whisker diode.
Honors and awards
- Nobel Prize in Physics (1909).