Read “Simply Evil,” a Sept. 5, 2011, column by Christopher Hitchens at Slate.com written to commemorate the 10th anniversary of 9/11.

Read a September 11, 2011 essay on the problem of evil, written by Alan Wolfe and published in the Chronicle of Higher Education.

Philip Zimbardo, Stanford University professor emeritus of psychology, is the author of The Lucifer Effect: Understanding How Good People Turn Evil. He was director of the Stanford Prison Experiment.

Kathleen Sands, an associate professor of American studies at the University of Hawaii at Manoa, is the author of Escape from Paradise: Evil and Tragedy in Feminist Theology. She says that in the 1970s, with the onset of liberation theology, religious scholars moved from thinking of evil as an absence of the good to viewing sin as […]

Eleonore Stump, professor of philosophy at St. Louis University, has written about narrative and the problem of evil, suffering and redemption.

Dale Stoffer is professor of historical theology and academic dean at Ashland Theological Seminary in Ashland, Ohio. He says that because of increased interest in spiritual realities due to the growth of a postmodern worldview and charismatic Christianity, scholars are more open to viewing evil as a spiritual force in human affairs.

Christine Smith, professor of preaching at United Theological Seminary of the Twin Cities in New Brighton, Minn., has written about sin and evil in feminist thought and about preaching as a radical response to evil.

R. William Hasker is emeritus professor of philosophy at Huntington University in Huntington, Ind. He wrote The Triumph of God Over Evil: Theodicy for a World of Suffering (2008).

Curtis Hancock, philosophy professor at Rockhurst University in Kansas City, Mo., lectures about the problem of evil.