fechner

< /ˈgʊs tɑf ˈteɪ ɔˌdɔr/, 1801–87, German physicist, psychologist, and philosopher.

noun

1. Gustav Theodor (ˈɡʊstaf ˈteːodoːr). 1801–87, German physicist, philosopher, and psychologist, noted particularly for his work on psychophysics, Elemente der Psychophysik (1860)

1. German psychologist and physicist who studied the relationship between strength of stimulus and intensity of sensation, thereby founding psychophysics.