Missionary Training School (1902), Northwestern Evangelical Seminary (1935), and Northwestern College (1944) produced thousands of graduates. At a large conference in Philadelphia in 1919, Riley founded the World Christian Fundamentals Association (WCFA), which became the chief interdenominational fundamentalist organization in the 1920s. Some mark this conference as the public start of Christian fundamentalism. Although the fundamentalist drive to take control of the major Protestant denominations failed at the national level during the 1920s, the network of churches and missions fostered by Riley showed that the movement was growing in strength, especially in the U.S. South. Both rural and urban in character, the flourishing movement acted as a denominational surrogate and fostered a militant evangelical Christian orthodoxy. Riley was president of WCFA until 1929, after which the WCFA faded in importance. The Independent Fundamental Churches of America became a leading association of independent U.S. fundamentalist churches upon its founding in 1930. The American Council of Christian Churches was founded for fundamental Christian denominations as an alternative to the National Council of Churches. Much of the enthusiasm for mobilizing fundamentalism came from Protestant seminaries and Protestant "Bible colleges" in the United States. Two leading fundamentalist seminaries were the Dispensationalist Dallas Theological Seminary, founded in 1924 by Lewis Sperry Chafer, and the Reformed Westminster Theological Seminary, formed in 1929 under the leadership and funding of former Princeton Theological Seminary professor J. Gresham Machen. Many Bible colleges were modeled after the Moody Bible Institute in Chicago. Dwight Moody was influential in preaching the imminence of the Kingdom of God that was so important to dispensationalism. Bible colleges prepared ministers who lacked college or seminary experience with intense study of the Bible, often using the Scofield Reference Bible of 1909, a King James Version of the Bible with detailed notes which interprets passages from a Dispensational perspective. Although U.S. fundamentalism began in the North, the movement's largest base of popular support was in the South, especially among Southern Baptists, where individuals (and sometimes entire churches) left the convention and joined other Baptist denominations and movements which they believed were "more conservative" such as the Independent Baptist movement. By the late 1920s the national media had identified it with the South, largely ignoring manifestations elsewhere. In the mid-twentieth century, several Methodists left the mainline Methodist Church and established fundamental Methodist denominations, such as the Evangelical Methodist Church and the Fundamental Methodist Conference (cf. conservative holiness movement);