Gustav Theodor Fechner

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Fechner, Gustav Theodor


Born Apr. 19, 1801, in Gross-Särchen, near Muskau; died Nov. 18, 1887, in Leipzig. German physicist, psychologist, and idealist philosopher; writer of satire under the pen name of Dr. Mises.

Fechner was one of the founders of experimental psychology and the originator of experimental aesthetics (namely, an approach to aesthetics “from below”—on the basis of experience and induction—rather than from philosophical constructions). He was professor of physics at the University of Leipzig from 1834 to 1840; forced by illness and partial blindness to abandon the study of physics, he turned to philosophy. Sharing in many respects the views of F. von Schelling, Fechner interpreted them in the spirit of panpsychism, positing an animated universe and regarding the material as the obverse of the psychic. As further developed in his writings, Fechner’s psychophysics was a special science dealing with the relationship between psychic and physical phenomena, or what he called psychophysical parallelism. Using the language of mathematics, Fechner described the experimentally established correlation between a sensation and its stimulus known as the Weber-Fechner law.


Elemente der Psychophysik. Leipzig, 1860.
Zend-Avesta, oder iiber die Dinge des Himmels und des Jenseits, 5th ed., vols. 1–2. Leipzig, 1922.
Vorschule der Ästhetik, 3rd ed., vols. 1–2. Leipzig, 1925.


Iaroshevskii, M. G. Istoriia psikhologii. Moscow, 1966. Chapter 9.
Kuntze, J. Gustav Theodor Fechner. Leipzig, 1892.


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