Steve Johnson is director of character education at the Markkula Center for Applied Ethics at Santa Clara University in Santa Clara, Calif. He has written numerous articles on topics in youth ethics, including cheating and lying.

The Soderquist Center for Leadership and Ethics at John Brown University in Siloam Springs, Ark., is devoted to fostering good business ethics. Many of the directors are former executives of Wal-Mart, which has faced lawsuits alleging that store managers routinely falsify employee timecards.

Teresa Fishman is the executive director for the Center for Academic Integrity at Duke University. The center offers resources to help students adhere to five principles, including honesty.

Bella DePaulo is a visiting professor of psychology at the University of California in Santa Barbara. She is an expert on lying.

Dr. M. William Howard Jr. is the senior pastor of Bethany Baptist Church in Newark, N.J., a partner in the New Jersey Character Education Partnership, which tries to instill values, including honesty, in local children.

Steve Ellenwood is the acting director of the Center for Character and Social Responsibility at Boston University in Massachusetts.

The Harry Potter fan site MuggleNet.com posts a page listing university and college courses around the world based on the Harry Potter series.

Danielle Tumminio is a graduate of Yale Divinity school and an Episcopal priest. While at Yale, she taught a course called “Christian Theology and Harry Potter.” The class inspired a book, God and Harry Potter at Yale (Unlocking Press, 2010). She lives in Boston.

Kelly Collinsworth is an assistant professor of legal studies at Morehead State University in Morehead, Ky. She has taught a course called “Harry Potter in the Law,” which uses the series as a context in which to discuss the role of government and legal institutions.