The four-sides model (also known as communication square or four-ears model) is a communication model by Friedemann Schulz von Thun.
Schulz von Thun worked as a professor of psychology at the University of Hamburg until his retirement on 30 Sep. 2009.
Paul Watzlawick theory had great impact on the creation of the four sides model by Friedemann Schulz von Thun and made a great impact on the development of the Interactional View for communication theory.
Johann Wolfgang von Goethe | Otto von Bismarck | Alexander von Humboldt | Wernher von Braun | Carl Maria von Weber | Herbert von Karajan | Gebhard Leberecht von Blücher | John von Neumann | Lars von Trier | Ferdinand von Mueller | Paul von Hindenburg | Alexander von Humboldt Foundation | Heinrich von Kleist | Anne Sofie von Otter | Erich von Stroheim | Charles M. Schulz | Max von Sydow | Justus von Liebig | Hermann von Helmholtz | Franz von Papen | Die Meistersinger von Nürnberg | Carl von Clausewitz | Bruno Schulz | Von Ryan's Express | Richard von Weizsäcker | Thun | Theodore von Kármán | Manfred von Richthofen | Erich von Däniken | Dita Von Teese |