- Roucek, Joseph S.1
- Rousset, David1
- Rozvány, Szidónia1
- Rákos, Ferenc1
- Rédei, György1
- Révay, József1
- Seligman, C. G.1
- Semigina, L. D.1
- Sergei, Pashin1
- Shulman, Iosif1
- Sladkovich, Mikola1
- Slusser, Robert M.1
- Spender, Stephen1
- Stoetzel, Jean1
- Struve, Gleb1
- Svoboda, Antonín1
- Swearingen, Rodger1
- Székely, György1
- Taniewski, Ludwik1
- Tat'iana, Pashkova1