This 3CD set presents a selection of broadcasted archives related to Robert Arnaut great interviews during the years he spent as a producer at France Inter (French National Broadcast #1). The selection has been made by Thomas Baumgartner, a producer at France Culture, with the recorded comments by Robert Arnaut. The 3 CDs are summarized on this in three categories around "Les grands temoins" (« The great witnesses » CD#1 : with Jean Thevenot, Emile Fradin, Le General Maxime Weygand, Maurice Schumann, Konrad Lorenz, Amadou Hampate Ba, Albert Schweitzer, etc.) ; "Les scientifiques aventuriers" (« The scientists and adventurers » CD#2 with Simha Arom, Rene Bureau, Theodore Monod, Henri Collomb, Christiane Desroches-Noblecourt , Pierre Amado, etc.) ; "Rencontres fortuites" (« Unexpected meetings » CD#3 with Jean-Pierre Marielle, Boby Lapointe, Georges Brassens, Salvador Dali, Pierre Constant, Jean-Marie Calloch, etc.). In French.