Bouncing from penthouse to duplex, married architects Billie Tsien, 63, and Tod Williams, 69, find balance in a pair of New York apartments.

WSJ: Architects' Fussiest Clients

When Tod Williams and Billie Tsien of New York won the commission through a competition held by the Barnes Foundation, they even received the architectural equivalent of hate mail.

WSJ: Barnes Collection | Tod Williams | Billie Tsien | The New Barnes Shouldn't Work��But Does | By Ada Louise Huxtable

The spectacular contemporary architecture, by the New York team of Tod Williams and Billie Tsien, cradles the modest graces of the Merion structure with an air of religious veneration.

NEWYORKER: Moving Pictures

Thanks to the architects, Tod Williams and Billie Tsien, who understood from the beginning the delicate nature of their task, the Barnes experience today is identical to what it was previously.

WSJ: Barnes Collection | Albert C. Barnes | Ensemble: Albert C. Barnes and the Experiment in Education | Saving Dr. Barnes's Vision| By Eric Gibson