Han van den Boogaard
Khalil Gibran
Roman Krznaric
Tiny Fisscher
H. van den Boogaard
John Gray
Krishnamurti
Erich Fromm
Alan W. Watts
Eveline Brandt
Elisabeth Dinnissen
Swami Dayananda
Franklin Merrell-Wolff
Neil Douglas-Klotz
Rients Ritskes