Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
Ehrenstein.gif (245 × 245 pixels, file size: 15 KB, MIME type: image/gif)
There is no description yet. Add a description.
Appears on these pages
The German psychologist Walter Ehrenstein is remembered for studies two illusions in particular...