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Karl Ferdinand Braun (German pronunciation: [ˈfɛʁdinant ˈbʁaʊn] ⓘ; 6 June 1850 – 20 April 1918) was a German electrical engineer, inventor, physicist and Nobel laureate in Physics.
Ferdinand Braun (1850-1918) was a German physicist who improved wireless telegraphy and invented the cathode-ray oscilloscope. He shared the Nobel Prize for Physics in 1909 with Guglielmo Marconi and worked at several universities in Germany.
- The Editors of Encyclopaedia Britannica
- Karl Ferdinand Braun – Family Background and Education
- First Research Success as A School Teacher
- Academic Career and Braun’s Tube
- Wireless Telegraphy
- Marconi and The Nobel Prize
- Patent Issues and Last Years
- GeneratedCaptionsTabForHeroSec
Karl Ferdinand Braun was born in Fulda, Germany as the sixth of seven children of the Electoral Hessian court official Konrad Braun, he attended the Fulda Cathedral Grammar School. After graduating from high school, he studied mathematics and natural sciences at the Philipps University in Marburg in 1868/69. In 1869 Braun went to Berlin, where he w...
Since Braun had no money to work as an assistant and later as a private lecturer, he passed the state examination for grammar school teachers in Marburg in 1873 and took up employment the following year as a second teacher of mathematics and natural sciences at the Thomasschule in Leipzig. There he carried out scientific investigations of oscillati...
In 1877 Braun was appointed associate professor of theoretical physics in Marburg. He went to Strasbourg in 1880 and in 1883 received a full professorship in physics at the University of Karlsruhe. Here he developed the electric pyrometer in 1884. In 1884 he received a call to the Eberhard Karls University in Tübingen, where he played a leading rol...
With the invention of his tube, Braun also began to research the field of wireless telegraphy. One problem in wireless technology was a reliably functioning receiver: As a physicist, Braun was used to dealing with reproducible experimental conditions, but the coherer receivers commonly used at the time hardly met these conditions. So Braun replaced...
In 1895, he became director of the Institute of Physics and professor at the Kaiser Wilhelm University in Strasbourg. After the invention of wireless telegraphy in 1898, he was one of the co-founders of Funkentelegraphie GmbH in Cologne. Braun invented the phased array antenna in 1905. Braun’s British patent on tuning was used by Marconi in many of...
In 1903, Braun co-founded the Telefunken company in Berlin. The latter took him to New York at the age of 64 and in failing health: the large-scale radio station Sayville, the counterpart to Nauen, was to cease operations due to patent disputes with the Marconi Corporation. The lawsuit dragged on, whereupon Braun was surprised by the U.S. entry int...
Learn about the life and achievements of Karl Ferdinand Braun, a German physicist who invented the Braun Tube, a key component of wireless telegraphy and television. He also discovered the semiconductor diode, the electric pyrometer, and the Le Chatelier-Braun principle.
Ferdinand Braun was a German physicist who invented the electrometer and the cathode-ray oscillograph. He also contributed to wireless telegraphy and received the Nobel Prize in Physics in 1909 for his work on high-frequency currents.
Jun 6, 2012 · Ferdinand Braun was a German physicist who contributed to the development of wireless telegraphy. He invented electrical components such as the coherer and the detector, and worked on radio wave transmission.
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May 11, 2018 · Learn about the life and achievements of Ferdinand Braun, the German physicist who won the Nobel Prize for wireless telegraphy and invented the cathode-ray oscilloscope. Find out how he worked with Hertz, Marconi, and Quincke, and why he spent his last years in the US.
Karl Ferdinand Braun shared the Nobel Prize in Physics 1909 with Guglielmo Marconi for their contributions to wireless telegraphy. Learn more about his life, work and discoveries on NobelPrize.org.
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