forth for a decade or so, but had about disappeared as an effective group by the end of the century. By that time, the differences between Friends were quite clear, to each other if not always to outsiders. Theologically, a small minority of Friends among the "liberals" expressed discomfort with theistic understandings of the Divine, while more evangelical Friends adhered to a more biblical worldview. Periodical attempts to institutionally reorganize the disparate Religious Society of Friends into more theologically congenial organizations took place, but generally failed. By the beginning of the 21st century, Friends United Meeting, as the middle ground, was suffering from these efforts, but still remained in existence, even if it did not flourish. In its home base of yearly meetings in Indiana especially, it lost numerous churches and members, both to other denominations and to the evangelicals. Quakers in Britain and the Eastern United States embarked on efforts in the field of adult education, creating three schools with term-long courses, week-end activities, and summer programs. Woodbrooke College began in 1903 at the former home of chocolate magnate George Cadbury in Birmingham, England, and later became associated with the University of Birmingham, while Pendle Hill, in the Philadelphia suburb of Wallingford, did not open until 1930. Earlier, beginning in 1915 and continuing for about a decade, the Woolman School had been created by Philadelphia Hicksites near Swarthmore College; its head, Elbert Russell, a midwestern recorded minister, tried unsuccessfully to maintain it, but it ended in the late 1920s. All three sought to educate adults for the kind of lay leadership that the founders Society of Friends relied upon. Woodbrooke and Pendle Hill still maintain research libraries and resources. During the 20th century, two Quakers, Herbert Hoover and Richard Nixon, both from the Western evangelical wing, were elected to serve as presidents of the United States, thus achieving more secular political power than any Friend had enjoyed since William Penn. Kindertransport In 1938–1939, just prior to the outbreak of the Second World War, 10,000 European Jewish children were given temporary resident visas for the UK, in what became known as the Kindertransport. This allowed these children to escape the Holocaust. American Quakers played a major role in pressuring the British government to supply these visas. The Quakers chaperoned the Jewish children on the trains, and cared for many of them once they arrived in Britain. War Rescue Operations, and