Letters exchanges with Abdenacer, Alain, Alain Rouet, Alain?, Alessandra Fabretti, Alvaro, Amitabha Chakrabarti, Andrea Quadri, Andrea Quadri / Marco, André ?, Ben, Bert, Bruno Zumino, Bryan Lynn, C. Itzykson, Carlo Becchi, Chris Austin, Cécile deWitt Morette, D.Lüst et H.Nicolai, Daniel, Daniel K., Daniel, Serge et Thomas, Dirk, Dr Pinter, E. Guadagnini, Elisabeth ?, Eugène Cremmer, Florian Scheck, Frank, G. Smadja, G.C. Wick, George Zoupanos, Gerhard M.?, Germain, Gervais, Glenn Barnich, Grassi, Henri, Hubert Michel Saleur, Ivan Todorov, Ivan Todorov / Nikolay Nikolov, Iz Singer, J-F Colombeau, Jean B?, Jean Christophe, Jean Louis Loday, Jean Marie Souriau?, Jean Thierry-Mieg, Jean Thierry-Mieg + Laurent Beaulieu, Jean-Bernard, Jean-François B., Jean-Louis Richard, Jean-Louis Richard / Alain, Joannis Paparassiliou, John, John Dixon, Kai Keller, Klaus, Klaus and Michael, Krysztof, Krzysztof, Laurent Baulieu, Lochlainn O Raifeartaigh, Luis, M. Veltman, M.L Goldberger, Marietta Menolessou, Mark Henneaux, Mark Henneaux / Glenn Barnich, Mathias /Georges, Maurice, Michael, Michael Dutsch, Michel Bauer, Michel Dubois-Violette, Michel Le Bellac, Michèle Vergne, Nikolay Nikolov, Noboru Nakanishi, Patricia Dubois-Violette, Paul, Peter Higgs, Peter Van N., Pierre Van Baal, Professor Aste, Professor Dall?, Professor Kauffman, Professor Low, Professor Polchinski, Professor Scharf, Pronob Mitter, R.A Bertlmann, Ray, Roberto Zucchini, Roland, Roman Zwicky, Ruggero, Serge, Stocchi, Symanzik, Telegdi, Thierry, Thomas, Tobias Hurth, Volker Bach, Wally, Wolfhart Zimmermann, Y. Choquer Bruhard, Y. Rocard, Yvonne Choquet, Zoher
