 They had three daughters, including Elisabeth Badinter, a prominent feminist writer and philosopher who chairs the supervisory board of Publicis Groupe.When the Second World War broke out, Marcel Bleustein's companies were confiscated by the German occupation forces as "Jewish properties".He joined the Resistance, took the code-name Blanchet, and was detached to serve as a co-pilot for the US Eighth Air Force, flying bombing missions over France and Holland.