Birth Chart and Horoscope of American skeptics
- Al Seckel
- Alan Hale (astronomer)
- Albert Ellis
- Albert Hibbs
- Anthony Pratkanis
- B.F. Skinner
- Banachek
- Bart Bok
- Bart Jan Bok
- Benjamin Radford
- Bill Nye
- Brian Brushwood
- Cara Santa Maria
- Carl Sagan
- Carol Tavris
- Christopher Hitchens
- Corliss Lamont
- Curtis D. MacDougall
- D. J. Grothe
- Daniel Cohen (children's writer)
- Daniel Dennett
- Debbie Goddard
- Denis Dutton
- Donald Howard Menzel
- Donald Prothero
- Douglas Hofstadter
- E.O. Wilson
- Emily Rosa
- Frank H. Netter
- Frederick Crews
- Fredrick J. Stare
- George Abell
- George Carlin
- George Hrab
- George O. Abell
- Gerald Holton
- Glenn Seaborg
- Glenn T. Seaborg
- Heather Henderson
- James Harvey Young
- James Underdown
- Jared Diamond
- Jeffrey S. Medkeff
- Jennifer Ouellette
- Jere H. Lipps
- Jerry Andrus
- John Booth (magician)
- John Sladek
- John Stossel
- John Thomas Sladek
- Julia Galef
- Kendrick Frazier
- Kenneth Feder
- Lamar White Jr.
- Larry Kusche
- Leon M. Lederman
- Loren Pankratz
- Marcello Truzzi
- Marcia Angell
- Mark Crislip
- Mark Edward
- Martin Gardner
- Mary Lefkowitz
- Mary Roach
- Michael A. Stackpole
- Michael E. Mann
- Michael Shermer
- Milbourne Christopher
- Milton A. Rothman
- Murray Gell-Mann
- Nathan Phelps
- Neil deGrasse Tyson
- PZ Myers
- Paul Edwards (philosopher)
- Paul Kurtz
- Paul MacCready
- Paul Provenza
- Penn Jillette
- Perry DeAngelis
- Phil Plait
- Philip J. Klass
- Ray Garton
- Richard Feynman
- Robert A. Baker
- Robert Sheaffer
- Robert Todd Carroll
- Sam Harris
- Scott Lilienfeld
- Sean B. Carroll
- Seth Andrews
- Stephen Williams
- Stephen Jay Gould
- Steven Pinker
- Steven Weinberg
- Susan Jacoby
- Tim Farley
- Tom Flynn (author)
- Vernon Chatman
- Victor J. Stenger
- Wallace Sampson
- Zack Kopplin