Joseph Delboeuf

Joseph Rémi Léopold Delbœuf (30 September 1831, Liège, Belgium – 14 August 1896, Bonn, Germany) was a Belgian experimental psychologist who studied visual illusions including his work on the Delboeuf illusion. He studied and taught philosophy, mathematics, and psychophysics. He published works across a diverse range of subjects including the curative effects of hypnotism. Provided by Wikipedia
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by Delboeuf, Joseph (1831-1896).
Published 1860
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by Delboeuf, Joseph, 1831-1896.
Published 1860
Book
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by Delboeuf, Joseph, 1831-1896.
Published 1876
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by Delboeuf, Joseph (1831-1896).
Published 1890
Book