John Bertrand Johnson

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John Bertrand Johnson (* 1887 ; † 1970 ) was an American physicist born in Sweden .

He was one of the pioneers of the experimental and theoretical investigation of physical noise processes and was the first to experimentally verify thermal noise. This was later named after him and is generally called Johnson-Noise (or Johnson-Nyquist-Noise, Nyquist-Noise; after Harry Nyquist ) in Anglo-Saxon literature .

Works

  • JB Johnson: Thermal Agitation of Electricity in Conductors . In: Physical Review . tape 32 , no. 1 , 1928, pp. 97-109 , doi : 10.1103 / PhysRev.32.97 ( PDF [accessed January 13, 2010]).