- Peter B. Kyne
- Alma Webster Hall Powell
- Clifford D. Simak
- Ralph Waldo Emerson
- Dezső Kosztolányi
- Alan Edward Nourse
- Charles E. Fritch
- Irving E. Cox
- François duc de La Rochefoucauld
- Mason Augustus Walton
- George Sand
- Luigi Pirandello
- Harlan Ellison
- H. G. Wells
- Madame de Staël
- Eugene Lee-Hamilton
- H. G. Wells
- Jean-Jacques Rousseau
- Stephen Marlowe
- John Jay Chapman
- Jerome Bixby
- Richard Matheson
- Henrik Ibsen
- Bertrand Russell
- Kris Neville
- Cicely Hamilton
- Luigi Pirandello
- Winthrop Packard
- José Ingenieros
- C. M. Kornbluth
- Laurent Tailhade
- William Tenn