The famous scientist Ibn al-Haytham (‘Alhazen') has rightly been credited with many advances in optics and vision science, but recent spurious claims that he is the ‘founder of psychophysics' rest upon unsupported assertions, a conflation of psychophysics with the wider discipline of psychology, and semantic arguments over what it is to ‘found' a school of thought.
Ibn al-Haytham and Psychophysics
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