Berend Wilhelm Feddersen (26 March 1832 in
Schleswig – 1 July 1918 in
Leipzig
Leipzig ( , ; Upper Saxon: ) is the most populous city in the German state of Saxony. Leipzig's population of 605,407 inhabitants (1.1 million in the larger urban zone) as of 2021 places the city as Germany's eighth most populous, as wel ...
) was a
German physicist.
Biography
Feddersen studied
chemistry
Chemistry is the science, scientific study of the properties and behavior of matter. It is a natural science that covers the Chemical element, elements that make up matter to the chemical compound, compounds made of atoms, molecules and ions ...
and
physics
Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which r ...
at the
University of Göttingen
The University of Göttingen, officially the Georg August University of Göttingen, (german: Georg-August-Universität Göttingen, known informally as Georgia Augusta) is a public research university in the city of Göttingen, Germany. Founded ...
, where he became member of
Burschenschaft Hannovera
Burschenschaft Hannovera is the oldest Burschenschaft, a traditional liberal German Student fraternity or student corporation (Studentenverbindung), incorporated in Göttingen in the Revolution year 1848 (May) at the Georg August University of ...
(fraternity)
[ :de:Burschenschaft Hannovera Göttingen] and lived from 1858 as a private scholar in Leipzig. In 1859 he succeeded in experiments with the Leyden jar to prove that every single
electric spark discharge composed of (damped) oscillations. He realized that the arise from a
coil, capacitor and resistor existing electrical circuit oscillations. Thus he became the co-founder of
wireless technology.
Feddersen was co-editor of the Biographical Dictionary and literary and on the history of exact sciences. He was a member of the
Saxon Society of Sciences
The Saxons ( la, Saxones, german: Sachsen, ang, Seaxan, osx, Sahson, nds, Sassen, nl, Saksen) were a group of Germanic
*
*
*
*
peoples whose name was given in the early Middle Ages to a large country (Old Saxony, la, Saxonia) near the Nor ...
.
Works
* Contributions to the knowledge of the electric spark. Inaugural Dissertation, Kiel 1854th Kiel: CF Mohr, 1857.
* Discharge of the Leyden jar, intermittent, continuous, oscillatory discharge, while the law. Essays ... 1857–1866. / Edited by T. Des Coudres. With a portrait of the author in photogravure and 3 lithographic plates. Leipzig: W. Engelmann, 1908. (Ostwald's Classics of the exact sciences. No 166)
* The discovery of electrical waves. Leipzig 1909th
See also
*
Heinrich Hertz
Heinrich Rudolf Hertz ( ; ; 22 February 1857 – 1 January 1894) was a German physicist who first conclusively proved the existence of the electromagnetic waves predicted by James Clerk Maxwell's Maxwell's equations, equations of electrom ...
*
Invention of radio
* Berend Wilhelm Feddersen, Wikipedia in German
:de:Berend Wilhelm Feddersen
Further reading
* Henke, Martin: Fast-acting spark in a fast mirror - Berend Wilhelm Feddersen (1832–1918) and the analysis of the electrical oscillations. Hamburg: Print on Demand, 2000.
References
*''Biographical encyclopedia of German-speaking scientists'' / ed. Dietrich von Engelhardt. Munich, 2003. Saur .
*''Herder Lexicon scientists''. Freiburg: Herder, 1979. .
{{DEFAULTSORT:Feddersen, Berend Wilhelm
1832 births
1918 deaths
19th-century German physicists