East Building Ground-Breaking Ceremony, May 6, 1971

Paul Mellon speaking at the East Building ground-breaking ceremony, May 6, 1971. National Gallery of Art, Gallery Archives.

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Left to right: Gallery president Paul Mellon, Chief Justice and Gallery chairman Warren Burger, and Gallery director J. Carter Brown at the East Building ground-breaking ceremony, May 6, 1971. National Gallery of Art, Gallery Archives.

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Left to right: Chief Justice and Gallery chairman Warren Burger, Gallery president Paul Mellon, and J. Slater Davidson Jr., president of Chas. H. Tompkins Company, the general contractor, at the East Building ground-breaking ceremony, May 6, 1971. National Gallery of Art, Gallery Archives.

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Left to right: Chief Justice and Gallery chairman Warren Burger, Gallery president Paul Mellon, and J. Slater Davidson Jr., president of Chas. H. Tompkins Company, the general contractor, at the East Building ground-breaking ceremony, May 6, 1971. National Gallery of Art, Gallery Archives.

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National Gallery of Art former director David Finley (left), his wife, Margaret, and Mr. and Mrs. I. M. Pei (right) at the East Building ground-breaking ceremony, May 6, 1971. National Gallery of Art, Gallery Archives.

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