Jeff McNair is professor of education at California Baptist University in Riverside. He directs the Center for the Study of Religion and Disability and maintains the blog Disabled Christianity.

Virginia Trimble is a professor of physics and astronomy at the University of California, Irvine. She specializes in the history of science, including the history of human understanding of the evolution of galaxies.

George F. Smoot is co-winner of the 2006 Nobel Prize; a physics professor at the University of California, Berkeley; and research physicist at the Lawrence Berkeley National Laboratory. His publications include, as co-author, the popular book Wrinkles in Time: Witness to the Birth of the Universe.

Joel R. Primack, a professor of physics at the University of California Santa Cruz, is co-author of The View From the Center of the Universe: Discovering Our Extraordinary Place in the Cosmos.

Summer Hathout is a prosecutor in the Los Angeles district attorney’s office and co-founder of the Muslim Women’s League. She has written about misperceptions of domestic violence within the American Muslim community. Contact via the Muslim Women’s League.

The HomeSchool Association of California publishes a newspaper and offers legislative and legal advocacy.

The Christian Home Educators Association of California is based in Norwalk, Calif.

Ann Zeise runs A to Z Home’s Cool, a large resource site for homeschoolers that is based in Milpitas, Calif.

Jim Balassone directs the business ethics programs of the Markkula Center for Applied Ethics at Santa Clara University in Silicon Valley. The center “brings scholars and business people together to address key ethical challenges and develop best practices for building ethical organizational cultures.”