Daniel Wildenstein was a prominent French art dealer and auctioneer, born on December 24, 1917, in Paris. He was known for his expertise in Impressionist and Post-Impressionist art, significantly influencing the art market during the 20th century. Wildenstein managed the Wildenstein Institute, which focused on art research and preservation. He played a crucial role in organizing major art auctions and exhibitions, helping to establish the value of many renowned artists. Wildenstein's legacy includes his contributions to the art world and his family's continued involvement in art dealing and auctioneering, particularly through the Wildenstein & Co. gallery.