Charles M. Sheldon was a Congregational minister who preached popular sermons that focused on Christ's example. His philosophy derived from the Social Gospel movement within Protestantism, a crusade of the late nineteenth century that applied Christian ethics to problems such as injustice, crime, poverty, and other issues.
John Pavlovitz is a blogger, author, and pastor based in North Carolina. His blog, Stuff That Needs to Be Said, recently surpassed one hundred million views. His books include If God Is Love, Don't Be a Jerk, A Bigger Table, Hope and Other Superpowers, and Low.