Dr. Richard Dawkins
Dr. Lawrence M. Krauss
Aron Ra
Matt Dillahunty
Dr. Neil Derasse Tyson
Michael Shermer
Dr. Daniel Dennett
Adam Carolla
Bill Mayer
Dr. Steven Pinker
Bill Nye
Greg Gutfeld
Nick Fish
Dr. Peter Singer
Dr. Michael Martin
Dr. Kai Neilsen
Dr. Quentin Smith
Dr. Edward O. Wilson
Professor Steven Weinberg
Dr. Anthony Clifford Grayling
Dr. Sam Harris
Dr. Alexander Rosenberg
Dr. Edward O. Wilson
Dr. Peter Atkins