"So the staging of electricity was undertaken. There was Buffalo to start with, and Buffalo is backed in the great race of American cities by the power of Niagara and the commerce of the Lakes. It is delightfully accessible and pleasing. Here was the psychological place. It was also the psychological moment,—a period of general prosperity, a time when America had set about her great task of making commercial vassals of the Old World countries. The psychological idea came with electricity, and under this happy triad of influences conspiring for success the work was begun. "The managers took a big rectangle of unused land to the north of a beautiful park, and welded with it the most attractive portion of that park for their groundwork. Then they charted an effect. They put millions into an attempt to please, and did more, for they have both pleased and startled,—an effect peculiarly delightful to Americans." _E. R. White, Aspects of the Pan-American Exposition (Atlantic Monthly, July, 1901)._ The Pan-American Exposition may be said to have been paralyzed in the first week of its fifth month by the awful tragedy of the wanton murder of President McKinley, while it entertained him as its guest. Mr. McKinley, with Mrs. McKinley, had arrived in Buffalo on the 4th of September, for a long planned visit to the Exposition, and had accepted the hospitality of its President, Mr. John G. Milburn. On the afternoon of the 6th he held a public reception in the Temple of Music, on the Exposition grounds, and it was there that the brutal assassin found his opportunity for the deed. The following graphic narrative of the tragedy is from the pen of Mr. Walter Wellman in the American Review of Reviews: