Orison Swett Marden
Karl Ploberger
Emma Curtis Hopkins
Gabriel Villaboy
Susanne Fiss-Quelle
Ralph Paine Benedict,Elsie Lincoln Benedict
Kurt Tepperwein
Tanja Bakry
Ana Martínez
Sabine Guhr-Biermann
Adam Michel
Irene J. Bedford
Peter Piolot
Thorsten Schmitt
Dr. Herbert Rainer
Fortuna Dichi
Thorsten Schröder
Jörn Winkler
Thomas Ritter
Susanne Preusker
