When1: 1889
When2: 1896
Who: Franz Carl Müller-Lyer [Müller-Lyer, Franz Carl]
What: psychologist
Where: Germany
works\ Optical Illusions [1889]; Concerning the Theory of Optical Illusions: on Contrast and Confluxion [1896]
Detail: He lived 1857 to 1916 and invented illusion {Müller-Lyer illusion, Muller-Lyer} [1889]. Mind uses both figure and ground to perceive object {confluxion principle} {principle of confluxion}.
Social Sciences>Psychology>History>Perception
6-Psychology-History-Perception
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Date Modified: 2022.0224