Source : Donald G. Carty, Dorothea Brande (2013). “How to Wake Up and Live: A Formula for Success That Works”, p.61, Lulu Press, Inc
Ernst von Glasersfeld
Writer
Fernando Flores
Engineer
Francisco Varela
Biologist
George Spencer-Brown
Author
Gregory Bateson
Anthropologist
Heinz von Foerster
Scientist
Niklas Luhmann
Sociologist
Paul Watzlawick
Psychologist
Vilem Flusser
Philosopher