Dalila Arpin is a psychoanalyst in Paris, AP, Member of the ECF and the WAP. Doctorate in Psychoanalysis from Paris VIII University. She is one of the heads of LATIGO (The Lacanian Transatlantic of Research). Liliana Mauas is a psychoanalyst in Buenos Aires, member of the EOL and the WAP. She is teacher of the IOM and Director of Radio Lacan.