Karl Ferdinand Braun

English: Karl Ferdinand Braun (6 June 1850 in Fulda, Germany – 20 April 1918 in New York City, U.S.) was a German inventor, physicist and Nobel Prize laureate.

Gallery

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  (Karl) Ferdinand Braun
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  Ferdinand Braun in his laboratory, 1904
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  Karl Ferdinand Braun, by Hans Baluschek, 1927