Discussion sessions took place between 1928 and 1932. 1928 Fourth Session included Jean Genbach, Andre Breton, Marcel Duhamel, Pierre Naville, Jacques Prevert, Max Morise, Yves Tanguy Pierre Unik. Feb; Fifth Session of Investigating Sex : Maxime Alexandre, Andre Breton, Marcel Duhamel, Max Ernst, M, Marcel Noll, Benjamin Peret, Jacques Prevert, Raymond Queneau, Georges Sadoul, Pierre Unik 1932 August 1st - The 12th Session Investigating Sex with Andre Breton, Paul Eluard and Yves Tanguy, Gui Rosey. See Investigating Sex: Surrealist Discussions - Jose Pierre See ~> In Bed with the Surrealists. See Timeline