Dispensationalism is a very popular and widespread way of studying the Bible. But it only originated in the late 1500s with the pen of one of the Catholic Jesuits. It was picked up two-and-a-half centuries later in the teachings of John Nelson Darby of the Plymouth Brethren in the United Kingdom and Ireland. Then the doctrine was spread through the channels of:
The writings and speeches of Darby and Americans James Inglis, James H. Brookes, Dwight L. Moody, Cyrus I. Scofield, Lewis Sperry Chafer, Harry A. Ironsides, Arno C. Gaebelein, J. R. Graves, Billy Graham, R. A. Torrey, Gary North, Pat Robertson, Renald Showers, D. J. Kennedy, R. C. Sproul, Arthur Pink, etc.
A series of major prophecy conferences in the 1880s,
The more than 100 Bible institutes founded in the United States in the first half of the twentieth century,
Publication of the Scofield Reference Bible which was published in 1909.