- Wallace D. Wattles
- Byron Katie
- Frank B. Gilbreth Jr.
- Doug Stanton
- Daniel J. Levitin
- Alejandro Junger
- Russell Martin
- Harold C. Schonberg
- Charles Rosen
- Sabrina Mesko
- Madeline Bruser
- Alan Burgess
- J.H. Lee
- James Parakilas
- Barbara Sprague Newsam
- David R. Newsam
- John Gillespie
- James P. O'Brien
- Russell Sherman
- Adrian Burgess