U.G. Krishnamurti
Justus Kramer Schippers
Patrick Kicken
Han van den Boogaard
Darryl Bailey
Adyashanti
Philip Renard
Miranda Warren
Sri Siddharameshwar Maharaj
Andreas Müller
Rupert Spira
Rita Beintema
Anthony de Mello
Olette Luitwieler
Sally Bongers
Wolter Keers
Paul Smit
T. Parsons
C. Keus
Ramesh S. Balsekar
Nisargadatta Maharaj