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Luigi Turco is Professor of Philosophy at the University of Bologna.
Francis Edward Sparshott
Plotinus
Jean-Jacques Rousseau
John Passmore
Rhazes
Sir James Mackintosh
Ayn Rand
Socrates
Maia Cummings
Gershom Carmichael
Jennifer A. Frey
Michael Silverthorne
Benjamin Hoffmann
James Mill
Confucius
Alexander the Great
Eric Mack
Khalil M. Habib
Saint Augustine
Thales
Mo Tzu
Aristotle
Hardy Bouillon
Alan Ryan
Henry B. Veatch
Panaetius
Jack Russell Weinstein
Avicenna
Nicholas Capaldi
Thomas Hobbes
Jan Narveson
William Godwin