The British-born Pritzker collected contemporary British art and championed such artists as Henry Moore, L.S. Lowry and Barbar Hepworth. She served on the board of today's The Theater School at DePaul University and was a founding board member of the New College of Florida, The Chicago Tribune said.
Pritzker also was an animal rights advocate and boycotted fur coats, the Tribune said.
She died Sunday at her home in Casey Key, Fla., following a long illness.
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