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Semple was an advocate and translator of Kant.
Benedict de Spinoza
Rachel Ferguson
Jean-Jacques Rousseau
Daniel L. Dreisbach
Maia Cummings
David W. Carrithers
Jennifer A. Frey
Alexander the Great
Andrea Branchi
Rhazes
Aristotle
Douglas Den Uyl
William George Pogson Smith
Avicenna
Panaetius
Plotinus
Aaron Garrett
Tibor R. Machan
Virginia Postrel
Sir James Mackintosh
John Stuart Mill
Francis Hutcheson
Adam Smith
Paul Carus
Plato
René Descartes
Socrates
Anthony Ashley Cooper, Earl of Shaftesbury
Epictetus
David Conway
James Beattie
Lewis Amherst Selby-Bigge