Introduction to G.I. Gurdjieff's teaching 1

In this first part which lasts 53 minutes, Serge Troude talks about the personality and the identity of G.I. Gurdjieff evoking the origins and the specificity of his teachings: what is his means of transmission? What are the elements which compose it? He also describes the role of movements and inner exercises.  So many questions the author answers trying to lighten the current side of this teaching.