The Louisville Coalition for the Homeless serves the homeless population of Louisville, Ky., by educating the community about homelessness, advocating for system changes and coordinating the community response. Natalie Harris is the executive director.

UNITY of Greater New Orleans is a nonprofit organization which coordinates over 60 organizations in order to provide housing and services to prevent, reduce and end homelessness.

The Interfaith Federation of Greater Baton Rouge includes Muslims, Jews, Christians, Buddhists and Hindus. The federation works to promote social justice while working together as different faiths. The Rev. Clint Mitchell is president.

Richard Latner is a history professor at Tulane University in New Orleans. He specializes in the history of the Civil War.

Delbert Burkett is an associate professor of New Testament and Christian origins in the department of philosophy and religious studies at Louisiana State University in Baton Rouge. He has written on the miracle stories in early Christianity.

M. Kabir Hassan is associate professor and associate chair of the department of economics and finance at the University of New Orleans. He spoke at a 2009 conference on Islamic finance and financial resilience.

Robert Katz is a New Orleans-based CPA, minister and author of books on personal finance, including The Solomon Portfolio: How to Invest Like a King.

Frank J. Tipler is a professor of mathematics and physics at Tulane University and author of The Physics of Christianity and The Physics of Immortality, which argues that basic Christian miracle stories such as the Resurrection and the Virgin Birth can be consistent with the known scientific laws of the universe.