Natural science
Mark Blumberg
University of Iowa — Iowa City, IA
Richard Carrier
Author & Speaker — Richmond, CA
Susan Haack
University of Miami — Miami, FL
Mark D. Hatcher
Black Atheists of America — Washington, DC
Penny Higgins
University of Rochester — Rochester, NY
Dacher Keltner
University of California – Berkeley — San Francisco, CA
James McGaha
Grasslands Observatory — Tucson, AZ
Andrew Petto
University of Wisconsin – Milwaukee — Milwaukee, WI
Simon Singh
Independent — London, England
Victor Stenger
University of Colorado — Lafayette, CO
Jill Tarter
SETI (Search for Extraterrestrial Intelligence) — Mountain View, CA
Lionel Tiger
Rutgers University — New Brunswick, NJ
