Heidi Campbell is a professor of communication at Texas A&M University. She has researched a variety of topics, including online faith communities, new media ethics and the relationship between digital culture and religion. She has studied questions related to the nature of community, identity, authority and authenticity online through ethnography, case studies, interviews and textual analysis.

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.