David Leaf is a biology professor at Western Washington University in Bellingham. He is an expert in molecular and cell biology and evolutionary developmental biology and has taught a course for high school and middle school teachers on the controversy involving evolution-creationism-intelligent design.

Christopher Thrutchley is a lawyer in Tulsa, Okla., who has written a paper titled “Eroding Biblical Foundation, Exploding Judicial Activism,” about what he sees as the erosion that teaching evolution has had on the nation’s laws.

The Texas Freedom Network is a pro-evolution citizens watchdog group that monitors science education standards in the state. Its Texas Faith Network is a group of clergy and laypeople who would like to keep religious teaching about the origins of the world and of life out of the public school classroom.

Victor H. Hutchison is a professor emeritus of zoology at the University of Oklahoma in Norman. He is an expert on evolution and the creationism-evolution debate.

Daniel K. Brannan is a professor of biology at Abilene Christian University in Abilene, Texas. He is an expert on evolutionary biology-Christian theology interfaces. He wrote an article for the Metanexus Institute’s online journal titled “Confessions of an Evolutionary Biologist,” in which he explored his belief in evolution and God.

Daniel I. Bolnick is an associate professor of integrative biology at the University of Texas at Austin. He can discuss natural selection and the creationism-evolution conflict.

Byron Adams is an associate professor in the department of microbiology and molecular biology at Brigham Young University in Provo, Utah. He can discuss evolution and its relationship to Mormonism.

Daniel Harlow is a religion professor at Calvin College in Grand Rapids, Mich., whose research interests include evolutionary science and Christian theology. When Harlow wrote an article questioning the historical Adam, he faced a college investigation.

Todd C. Wood is Core Academy president and professor of biochemistry in Dayton, Tenn. He is listed by the Institute of Creation Research as a “creation scientist.”