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Rudolf Hermann Arndt Kohlrausch (November 6, 1809 in Göttingen
Göttingen
– March 8, 1858 in Erlangen) was a German physicist.

Contents

1 Biography 2 Research 3 Family 4 Published works 5 Notes 6 References 7 External links

Biography[edit] He was a native of Göttingen, the son of the Royal Hanovarian director general of schools Friedrich Kohlrausch. He was a high-school teacher of mathematics and physics successively at Lüneburg, Rinteln, Kassel
Kassel
and Marburg. In 1853 he became an associate professor at the University of Marburg, and four years later, a full professor of physics at the University of Erlangen.[1] Research[edit] In 1854 Kohlrausch introduced the relaxation phenomena, and used the stretched exponential function to explain relaxation effects of a discharging Leyden jar
Leyden jar
(capacitor).[2] In 1856, with Wilhelm Weber (1804–1891), he demonstrated that the ratio of electrostatic to electromagnetic units produced a number that matched the value of the then known speed of light.[3] This finding was instrumental towards Maxwell's conjecture that light is an electromagnetic wave. Also, the first usage of the letter "c" to denote the speed of light was published in an 1856 paper by Kohlrausch and Weber. Family[edit] He was the father of physicist Friedrich Kohlrausch. Published works[edit]

Elektrodynamische Maaßbestimmungen : insbesondere Zurückführung der Stromintensitäts-Messungen auf mechanisches Maass (with Wilhelm Weber) 1857.[4]

Notes[edit]

^ ADB:Kohlrausch, Rudolf @ Allgemeine Deutsche Biographie ^ Wüstner, D; Solanko, LM; Lund, FW; Sage, D; Schroll, HJ; Lomholt, MA. "Quantitative fluorescence loss in photobleaching for analysis of protein transport and aggregation". BMC Bioinformatics. 13: 296. doi:10.1186/1471-2105-13-296. PMC 3557157 . PMID 23148417.  ^ Speed of Light, NJSAS Weber and Kohlrausch: the Ratio of Electrostatic
Electrostatic
to Electromagnetic Units ^ OCLC Elektrodynamische Maaßbestimmungen

References[edit]

"The evolution of applied harmonic analysis" by Elena Prestini PhysicsWorld "Blast from the Past"  Rines, George Edwin, ed. (1920). "Kohlrausch, Rudolf Hermann Arndt". Encyclopedia Americana. 

External links[edit]

 "Kohlrausch, Rudolf Hermann Arndt". New International Encyclopedia. 1905. 

Authority control

WorldCat Identities VIAF: 52487068 LCCN: n90672422 ISNI: 0000 0000 8131 7149 GND: 118864580 SUDOC: 137374291

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