Before the school starts you can contact the organizers by email at: h03@lpt.ens.fr or Ms Marcelle Martin (LPT/ENS) at +33 [0] 144322543.
During the school you can, from Monday to Friday vendredi at office hours,
You can reach participant to the school by calling the school restaurant at lunch time (12h30-13h30) and diner time (19h30-20h30) at +33 [0] 450544124.