When1: 1839
Who: Michel E. Chevreul [Chevreul, Michel E.]
What: psychologist
Where: Paris, France
works\ On the law of simultaneous contrast of colors [1839]
Detail: He lived 1786 to 1889 and invented Chevreul's array of progressively darker gray strips, which showed edge-enhancement effects.
Social Sciences>Psychology>History>Perception
6-Psychology-History-Perception
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Date Modified: 2022.0224