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Luigi Turco is Professor of Philosophy at the University of Bologna.
Jeremy Bentham
Saint Augustine
Alexander the Great
Jennifer A. Frey
Paul Carus
James Beattie
Michel de Montaigne
Jack Russell Weinstein
Thomas Reid
Francis Hutcheson
Roderick T. Long
William George Pogson Smith
Chuang Tzu
Joseph Rickaby, S.J.
Plotinus
Michael Polanyi
Samuel Fleischacker
Carlo Lottieri
Hardy Bouillon
Bas van der Vossen
Peter C. Myers
René Descartes
Benedict de Spinoza
Anthony Ashley Cooper, Earl of Shaftesbury
Michael J. Seidler
Rhazes
John Locke
Tibor R. Machan
John Passmore
Maia Cummings
Mary Campbell Smith
Charlotte C. Thomas