Factor uncovers the architectural mysteries of Knox College's beloved Old Main. Knox College's Old Main - a national landmark and the only extant building that was a site of the Lincoln-Douglas debates - is a campus treasure with a secret. Built in 1857, Old Main was designed by Charles Ulricson, a Swedish-born immigrant who was trained by Freemasons. In Chapel in the Sky, Knox faculty member Lance Factor decodes the symbols of this beloved building and explores how an ardently anti-Mason administration came to hire Ulricson. The mysterious Masonic architect left his legacy on both Knox's Old...