The content of this book would have been substantially incomplete had it not been for the thousands of people who, since the 1950s and especially since the 1980s, have worked to reduce tobacco use. ###>Un tel ouvrage serait très incomplet sans l'apport des milliers de personnes qui, depuis les années 50 et surtout les années 80, oeuvrent à la baisse de la consommation du tabac.