Raphaël Hirt, a 13-year old Swiss boy living in Gex, was the only one to win the prize offered by Wagons-Lits tourisme. In the photographs he is given the prize by P. Bouchardy, Manager of the CERN branch of Wagons-Lits tourisme, R.A. Mc Laren (with beard), organizer of the event and by G. Hentsch, co-ordinator of the CERN Open Day.