Café wall illusion
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The café wall illusion is a geometrical-optical illusion in which the parallel straight dividing lines between staggered rows with alternating dark and light rectangles appear to be sloped, not parall
Richard Gregory visits the original café wall on St Michael's Hill, Bristol, in February 2010
Architecture inspired by the café wall illusion, at Melbourne Docklands
Hugo Münsterberg
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Hugo Münsterberg was a German-American psychologist. He was one of the pioneers in applied psychology, extending his research and theories to industrial/organizational, legal, medical, clinical, educa
Café wall illusion
…to be sloped, not parallel as they really are. The phenomenon has been rediscovered several times. A version of the illusion was first described by Hugo Münsterberg in 1894, then described as the 'kindergarten illusion' in 1898 by A. H. Pierce, and under its current name in 1973 by Richard Gregory. According to…
Hugo Münsterberg
Cover of Psychotherapy by Münsterberg
Hugo Münsterberg.