Khalil Gibran
Han van den Boogaard
H. van den Boogaard
Erich Fromm
Eveline Brandt
Franklin Merrell-Wolff
Krishnamurti
Farid Ud-D Attar
Mahesh Yogi
Tiny Fisscher
Tshogdrug Rangdröl
Neil Douglas-Klotz
Alan W. Watts
W.S. Rahula
John Gray
Bhikkhu Analayo
Roek Lips
Sam Harris
Roman Krznaric
Thich Nhat Hanh
Kahlil Gibran
Hans Wanningen
Rients Ritskes