thingsaurus
This is a 'thesaurus for things' or similarity engine: results show things that have something in common with what you enter. The more stars, the more things in common! You can use it for research, recommendations or simply to explore ideas and related subjects.
Here are your results for Carl Sagan...
Stars indicate closer matches.
Ann Druyan 
- Michael Shermer
- Neil deGrasse Tyson
- Gordon Stein
- Christopher Hitchens
- E. O. Wilson
- Kurt Vonnegut
- Albert Einstein
- Isaac Asimov
- Paul Kurtz
- Steve Allen
- Penn Jillette
- Corliss Lamont
- Ralph Asher Alpher
- Richard Dawkins
- James A. Michener
- Victor J. Stenger
- Joe Nickell
- John de Lancie
- Kyle Kulinski
- Bill Nye
- Stephen Jay Gould
- Sam Harris
- Daniel Dennett
- Reta Beebe
- Milton Friedman
- Kenneth R. Miller
- Douglas Vakoch
- Steven J. Dick
- Sean M. Carroll
- Robert L. Park
- James Randi
- Arthur C. Clarke
- Eugenie Scott
- David Pakman
- Steven Novella
- Alan Hale (astronomer)
- Aron Ra
- Joseph Wood Krutch
- Jill Tarter
- Joyce Carol Oates
- Gore Vidal
- Bart D. Ehrman
- Greg Epstein
- Betty Friedan
- Allen Ginsberg
- Edwin Hubble
- David Attenborough
- Loren Eiseley
- Homer W. Smith
DID YOU MEAN...
- Carl Sagan Institute
- Sasha Sagan
- Sagan standard
- Cosmos (Sagan book)
- Nick Sagan
- Mars Pathfinder
- The Demon-Haunted World
- Pale Blue Dot
- Dorion Sagan
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