National Gallery of Art two months after excavation had begun. At the time of its inception it was the largest marble structure in the world. The museum stands on the former site of the Baltimore and Potomac Railroad station, where in 1881 a disgruntled office seeker, Charles Guiteau, shot President James Garfield (see James A. Garfield assassination). As anticipated by Mellon, the creation of the National Gallery encouraged the donation of other substantial art collections by a number of private donors. Founding benefactors included such individuals as Paul Mellon, Samuel H. Kress, Rush H. Kress, Ailsa Mellon Bruce, Chester Dale, Joseph Widener, Lessing J.
James G. Blaine Hawaii. His plans for the United States' involvement in the world stretched even beyond the Western Hemisphere, as he sought commercial treaties with Korea and Madagascar. On July 2, 1881, Blaine and Garfield were walking through the Sixth Street Station of the Baltimore and Potomac Railroad in Washington when Garfield was shot by an assassin, Charles J. Guiteau. Guiteau, a deranged man who had earlier pestered Blaine and other State Department officials to be appointed to ambassadorships for which he was grossly unqualified, believed that by assassinating the President he could ingratiate himself with Vice President Arthur and receive his