Tariq Ramadan
Smith H.
Mihaly Csikszentmihalyi
B. K. S. Iyengar
Chogyal Namkhai Norbu, Fabio Andrico
Nichols Sallie
Osho .
Ferrer Jorge N.
Maria Eugenia Manrique
Balaskas Janet
Grof Stanislav
Greer Germaine
Alain Danielou
Julien Ries
Bhante Henepola Gunaratana
Manjit Kumar
Christophe Andre
Terry Claire Elizabeth (Editor)
Wilber Ken
Shah Idries
Matthieu Ricard, Wolf Singer
Peter L. Berger
Jaume Vallverdú
Garcia Campayo Javier
Shamini Jain
Denis De Rougemont
Leon Tolstoi
Dalai Lama
Saotome Mitsugi
