We are very grateful to many people for their help in the organization of QFS2004. Among them:

• Valerio Varriale (technical support for speakers).

• Elisabetta Nones, Paola Bodio, Nicoletta Pancheri (UNITN, Meeting Office).

• Alberta Giacomoni, Giovanna Welber and all the administrative staff of the Physics Department.

• Chiara Menotti (she took care of financial supports and travel grants).

• Francesco Operetto (he is helping the Guest Editor of the proceedings).

• Cesare Tozzo, Marco Cozzini and Sebastiano Pilati (poster area)

• Tatiana Poletti (UNITN, Divisione Comunicazione e Orientamento)

• Stefano Bernardini and Sara Giovinazzi (internet connections, technical staff of the Faculty of Arts and Philosophy)

• Marcello Pallaoro and Paola Turcino (Centro Servizi Culturali S.Chiara)

• Rob Duncan and Steve Boyd (many helpful suggestions, from QFS2003)

• Finally, all speakers, all referees, all participants.