Alma Huisken
David Le Breton
Stephen Batchelor
Alan W. Watts
K. Wilber
Stefanie Arend
Karen Brody
Phyllis Krasilovsky
Edel Maex
Fern Green
Susan Verde
Bob Stahl en Elisa Goldstein
Acharya Shunya
Bob Rigter
Patrick Kicken
Adyashanti