Billionaire philanthropist Pat Ryan and his wife, Shirley, have sold one of their two condos in the Four Seasons Hotel Chicago to an undisclosed buyer for $1.3 million, the Chicago Tribune reported.

In 2006 Patrick G. Ryan (EB59, H09), then chair of Northwestern’s Board of Trustees, his wife, Shirley Welsh Ryan (WCAS61), and their family made a significant donation to Northwestern, part of which ...