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

Dan Linford

Blacksburg, VA

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

Benjamin Wolozin

Boston University — Boston, MA