Wilhelm Hallwachs

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Hallwachs, Wilhelm


Born July 9, 1859, in Darmstadt; died June 20, 1922, in Dresden. German physicist; graduated from the University of Strassburg in 1883 and became professor of the Higher Technical School in Dresden in 1893. He conducted research on the photoelectric effect and showed for the first time that metals lose their negative charges under the action of ultraviolet radiation.


“Über den Einfluss des Lichtes auf elektrostatisch geladene Körper.” Annalen der Physik und Chemie, 1888, vol. 33.
“Lichtelektrische Ermüdung.” Annalen der Physik, 1907, vol. 23.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.