 The competition for the Kansai International Airport in Japan in the late 80's did mark the beginning of an ongoing episodic collaboration with Jean Nouvel, according to projects, competitions and circumstances.Olivier Boissière acted as a researcher, commentator, advisor and publication editor on different projects in real time, which was full-time with Nouvel, the motto of his office being "If you don’t come on Saturday, forget to come back on Sunday!