Daniel Leopold Wildenstein (11 September 1917 – 23 October 2001) was a French art dealer, historian and owner-breeder of thoroughbred and standardbredrace horses. He was the third member of the family to preside over Wildenstein & Co., one of the most successful and influential art-dealerships of the 20th century. He was once described as "probably the richest and most powerful art dealer on earth."
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