Saisset, Emile
Schelling
Schopenhauer
Scotus Erigena
Seneca
Servetus, Michael
Sextus Empiricus
Shakespeare
Simon, Jules
Socrates
Spencer, Herbert
Speusippus
Spinoza
Stewart, Dugald

T

Taine, Hippolyte
Thales
Theodosius
Theophrastus
Thomas Aquinas, St.
Thrasea
Timon

V

Vanini
Vauvenargues