Edward J. Harpham is a professor of political science at the University of Texas at Dallas. As a political theorist, he focuses on the role of philosophical ideas in the liberal political tradition and in American government. He has written about gratitude within the history of ideas and in the work of the political economist Adam […]

Dan P. McAdams is a professor of psychology and director of the Foley Center for the Study of Lives at Northwestern University in Evanston, Ill. McAdams’ research examines how people develop their identities, and he has studied “generativity,” adults’ concern for the next generation. His book The Redemptive Self: Stories Americans Live By, which finds personal redemption a major […]

Tal Ben-Shahar is the New York-based author of Happier: Learn the Secrets to Daily Joy and Lasting Fulfillment (2007) and has taught a popular introductory positive psychology course at Harvard University.

Lamin Sanneh is the D. Willis James Professor of Missions and World Christianity at Yale University. He wrote the entry “Gratitude and Ingratitude” in the Encyclopaedia of the Qur’ān.

Robert C. Roberts is a professor of ethics at Baylor University. He specializes in virtues and emotions and wrote the entry on gratitude in New Dictionary of Christian Ethics & Pastoral Theology.

The Rev. Kathy Black, a United Methodist minister, is author of A Healing Homiletic: Preaching and Disability and Signs of Solidarity: Ministry With Persons Who Are Deaf, Deafened and Hard of Hearing. She is Kennedy Professor of Homiletics & Liturgics at Claremont School of Theology in California.

W. Daniel Blair is assistant professor of American Sign Language and director of the Center for Deaf Education at California Baptist University in Riverside. His dissertation was about theological education and disability.

Deborah B. Creamer is director of accreditation and institutional evaluation at the Association of Theological Schools in Pittsburgh. She is the author of Disability and Christian Theology: Embodied Limits and Constructive Possibilities. Creamer is a former co-chair of the Religion and Disability Studies Group for the American Academy of Religion.