When Crystal Bridges Museum of American Art opened its doors in 2011, it didn’t occur to Moshe Safdie—founding partner of Safdie Architects, the firm behind the original campus—that he would also be the one to helm its expansion. When the museum founded by Alice Walton was unveiled, Safdie was in his early 70s, and multi-decade plans for potential expansion and updates were made with the idea that they would be executed by the next-gen of museum stewards. But Walton had another idea.