on berenson's recommendation, kress bought the portrait from a european museum. today, it is generally accepted as a work by the master's hand. it was not only nostalgia for the past which led american collectors to pursue raphael, nor was it merely rivalry with each other. these collectors shared a sense of cultural responsibility. the raphaels, once in private hands, are now all in public museums where they can be seen and enjoyed by the american people. ( music ) ( music ) narrator: the east buiing of the national gallery of art in washing d.c.- built to relieve the heavily- burdened facilities of the original gallery, to house temporary exhibitions, and to serve as a center for advanced study in the visual arts. within these walls, visitors to our nation's capital are drawn in to a very special place where monumental accomplishments of modern masters await discovery. built on a trapezoidal pl of land adjoining the original gallery, the east building is of a unique and radical design, utilizing triangular shapes with large interior spaces. it was a collaborati