Gustav Fechner
From The Art and Popular Culture Encyclopedia
"In Germany, the hegelian impetus had spent itself, and, apart from historical scholarship, nothing but the materialistic controversy remained, with such men as Büchner and Ulrici as its champions. Lotze and Fechner were the sole original thinkers, and Fechner was not a professional philosopher at all."--A Pluralistic Universe (1909) by William James |
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Gustav Theodor Fechner (April 19, 1801 – November 18, 1887), was a German experimental psychologist. An early pioneer in experimental psychology and founder of psychophysics, he inspired many 20th century scientists and philosophers. He is also credited with demonstrating the non-linear relationship between psychological sensation and the physical intensity of a stimulus via the formula: "S = K Log I".
In 1871 Fechner reported the first empirical survey of coloured letter photisms among 73 synesthetes.