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Luigi Turco is Professor of Philosophy at the University of Bologna.
Anthony Ashley Cooper, Earl of Shaftesbury
James Beattie
John Passmore
Evelyn Shirley Shuckburgh
Mo Tzu
Rhazes
Benedict de Spinoza
Bas van der Vossen
Samuel Fleischacker
Virginia Postrel
Thomas Reid
Alan Ryan
Andrew R. Scoble
Jennifer A. Frey
Socrates
Benjamin Hoffmann
Plato
David Conway
Khalil M. Habib
Matt Zwolinski
Peter C. Myers
Carlo Lottieri
Michel de Montaigne
Francisco Suárez
Peter Vallentyne
Rachel Ferguson
Saint Augustine
Jeremy Bentham
John Stuart Mill
Adam Smith
Francis Hutcheson
Michael Silverthorne