Here's what he is known for:
* Founder of the Barnes Foundation: He established the Barnes Foundation, a renowned art museum in Philadelphia, which houses an exceptional collection of Impressionist, Post-Impressionist, and early Modern art.
* Art Collector: Barnes amassed a significant collection of paintings by renowned artists like Cézanne, Matisse, Renoir, and Picasso.
* Writings on Art: He wrote several books and articles on art, including "The Art in Painting," "The Art in Reproduction," and "The Philosophy of Art."
* Controversial Figure: Barnes was known for his unconventional approach to art appreciation and for his fierce independence in managing the Barnes Foundation.
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