The International School of Space Science (ISSS) began its activity in 1991. The School is organized by the Consorzio Interuniversitario per la Fisica Spaziale (C.I.F.S.) which joins several Italian Universities active in the field of Space Science (Catania, Firenze, L'Aquila, Milano, Roma "La Sapienza", Roma "Tor Vergata", Torino, Trieste) and Istituto Nazionale di Astrofisica (INAF). Since foundation ISSS is directed by prof. U. Villante.