- Richard P. Feynman
- Steven Pinker
- John Gribbin
- Edward O. Wilson
- Douglas R. Hofstadter
- Sylvia Nasar
- Ian Stewart
- Confucius
- Roger Penrose
- Amir D. Aczel
- Ralph Leighton
- Charles Seife
- John D. Barrow
- Galileo Galilei
- Michael S. Gazzaniga
- Lee Smolin
- Michael White
- Mary Gribbin
- M. Mitchell Waldrop
- Kip S. Thorne