An anonymous benefactor has purchased and wants to preserve a Frank Lloyd Wright-designed home in Phoenix that had been threatened with demotion, a real estate broker, city officials and a preservationist group said Thursday in separate announcements.

The Milwaukee Art Museum is taking a new look at Frank Lloyd Wright on the 100th anniversary of his Taliesin home in Spring Green, with an exhibit showing the organic side of the prolific architect that features scale models, furniture and photos as well as video footage and more than 30 drawings that have never before been publicly displayed.