The correspondents are:
File 1: Gunter Sachs, Oliver Sacks, Jonas Salk, San Diego Union-Tribune, Mr William Sani (Grand Custom Clothes), Ruth Sager, Dr Lionel Salem, The Scientist, Mireille Sartori-Gaia, Prof Vladimir Ya Savenkov, Arnold B Scheibel, Prof Klaus Scherrer, Wolfgang Schimansky, Dr Paul Schimmel, William Douglas Schindel, [John] Schlag, Dr Elie A Shneour, Science and Technology Committee, Dr John Searle, Prof Mike J Seaton, Terrence J Sejnowski, Dr Robert Sekuler, Licia Selleri, Periannan Senapathy, Dr Anne Sereno, Dr Martin Sereno, Michael N Shadlen, Dr Vladimir Shcherbak, Eugene B Shea, and Cameron Shelley.
File 2: Mr Harry Sherwen, Mr Bob Shirley, Dr Peter Shoenberg, Ajita Shukla, SIBIA Inc, Prof Adam M Sillito, P Simonov, Dr Kirsti Simonsuuri, Karl Sims, I M Singer, Mr Pawan Sinha, the Skeptical Inquirer, Dr Jirí Šlechta, Alfred P Sloan Foundation, M Daniel Sloan (President, Quality Principles), and Dr Scott Slotnick.