That figure is expected to multiply by a factor of 10. Plans are in the works for a major expansion that is said to be costing the couple upward of $125 million. Once it is completed in 2016, this enclave will become a more public place in which to see art and learn about architecture as well as the environment.
A three-minute stroll from the sleek 25,000-square-foot museum by Charles Gwathmey, the New York architect who died in 2009, will be a second museum, five times as big — the rough equivalent of the East Building of the National Gallery of Art. Designed by Tom Phifer, another New York architect, it will feature a series of interconnecting pavilions for permanent installations, each devoted to a single artist, as well as a large gallery for special exhibitions. (The original