Last night, history was made in the Sotheby’s auction room at the Breuer Building. More than 25,000 visitors attended the preview exhibitions to see Gustav Klimt’s masterpiece Bildnis Elisabeth Lederer (Portrait of Elisabeth Lederer) from the Leonard A. Lauder Collection. In the end, it came down to just two bidders battling it out, with @ob1london dropping the hammer for a record-breaking total of $236.4 million. Watch the full bidding war for the most valuable work of modern art – and the seco

Beyond their discerning collection of Modern and Impressionist art, Cindy and Jay Pritzker’s civic commitment to philanthropy has had an indelible impact. The Pritzker name is inseparable from the city’s cultural vitality, visible in institutions such as the Harold Washington Library Center and the Jay Pritzker Pavilion in Millennium Park, both of which are now landmarks of civic pride and engagement. Among their most significant contributions was the establishment of the Pritzker Architecture P