Since 2004, numerous universities, institutions and former colleagues and friends have paid tribute to the scientific excellency of Professor Jean-Jacques Laffont. Xinzhu Zhang, one of his former doctoral students recently organised a conference in his memory: the "Mechanism Design and Industrial Organization" Conference. This event, which took place in NanChang (China), brought together TSE researchers, including his friends Eric Maskin (Nobel Prize 2007)  and  Jean Tirole (Nobel Prize 2014) who presented a public lecture in his honor.