Ferdinand Braun
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Ferdinand Braun was a German inventor and physicist who won the Nobel Prize in 1909 for his work in physics. His contributions to science and invention were significant enough to earn him recognition as one of the leading figures in early 20th-century physics.
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Karl Ferdinand Braun ( German: [ˈfɛʁdinant ˈbʁaʊ̯n] ; 6 June 1850 – 20 April 1918) was a German applied physicist who shared the 1909 Nobel Prize in Physics with Guglielmo Marconi for their contributions to the development of radio. With his two circuit system, long range radio transmissions and modern telecommunications were made possible. His invention of the phased array antenna in 1905 led to the development of radar, smart antennas, and MIMO. Braun built the first cathode-ray tube in 1897, which led to the development of television, and the first semiconductor diode in 1874, which co-started the development of electronics and electronic engineering.
Braun was a co-founder of Telefunken, one of the pioneering communications and television companies. He has been called the "father of television" (shared with inventors like Paul Nipkow), the "great-grandfather of every semiconductor ever manufactured," and a co-father of radiotelegraphy, together with Marconi, laying the foundation for all modern wireless systems.
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1850 births1918 deaths19th-century German inventors19th-century German physicists20th-century German inventors20th-century German physicistsAcademic staff of Marburg UniversityAcademic staff of the Karlsruhe Institute of TechnologyAcademic staff of the University of StrasbourgAcademic staff of the University of TübingenAcademic staff of the University of Würzburg