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 had committed and an account of his own trial, which was published as "The Truth and the Removal". To the end, Guiteau was making plans to start a lecture tour after his perceived imminent release and to run for president himself in 1884, while at the same time continuing to delight in the media circus surrounding his trial. He was found guilty on January 25, 1882. After the guilty verdict was read, Guiteau stepped forward, despite his lawyers' efforts to tell him to be quiet, and yelled at the jury saying "You are all low, consummate jackasses!" plus a further