Berend Wilhelm Feddersen

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Berend Wilhelm Feddersen (26 March 1832 – 1 July 1918) was a German physicist. He studied chemistry and physics at the University of Göttingen, joined the Burschenschaft Hannovera, and from 1858 lived as a private scholar in Leipzig. In 1859 he showed with Leyden jar experiments that a single electric spark is made of damped oscillations in an electrical circuit. He explained that these oscillations come from a circuit with a coil, a capacitor and a resistor. This work helped lay the groundwork for wireless technology. Feddersen was co-editor of the Biographical Dictionary and wrote about the history of the exact sciences. He was a member of the Saxon Society of Sciences.