- Sakharov, Andrei1
- Shragin, Boris Iosifovich1
- Siklós, András1
- Silnitsky, Frantisek1
- Skomal, Edward N.1
- Socha-Borzestowski, Bronisław1
- Solzhenitsyn, Aleksandr Isaevich1
- Spielmann, Karl F.1
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