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Semple was an advocate and translator of Kant.
Benedict de Spinoza
Francis Edward Sparshott
Adam Smith
Nicholas Capaldi
Chuang Tzu
John Passmore
Aeon J. Skoble
Brian Kogelmann
Alexander the Great
Virginia Postrel
Jan Narveson
Andrew R. Scoble
Hardy Bouillon
Bas van der Vossen
Lao Tzu
Jeremy Shearmur
John Locke
Mortimer J. Adler
William Godwin
Charlotte C. Thomas
Avicenna
Paul Carus
Michel de Montaigne
Mo Tzu
Jack Russell Weinstein
Andrea Branchi
Brian Satterfield
Matt Zwolinski
William George Pogson Smith
Michael Polanyi
Henry B. Veatch
Plotinus