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.
Charles J. Guiteau life. Although none of his fellow passengers on the "Stonington" were injured, the incident left Guiteau believing that he had been spared for a higher purpose. Guiteau's interest then turned to politics. During the 1880 presidential campaign, the Republican Party was largely split into factions -- the Stalwarts, led by Roscoe Conkling, who supported Ulysses S. Grant for a third term, and the Half-Breeds, who supported James G. Blaine. Guiteau wrote a speech in support of Ulysses S. Grant called "Grant against Hancock", which he revised to "Garfield against Hancock" after Garfield (not affiliated with either faction) won the Republican