Alan Ryan

Jan Narveson

James Mill

Saint Augustine

David W. Carrithers

Brian Kogelmann

Daniel L. Dreisbach

Francis Hutcheson

Carlo Lottieri

Henry B. Veatch

Aaron Garrett

Michael Huemer

Jeremy Bentham

Andrew R. Scoble

Aristotle

Alexander Broadie

Michel de Montaigne

Rachel Ferguson

St. Thomas Aquinas

Roderick T. Long

Confucius

Plato

Matt Zwolinski

Michael J. Seidler

Paul Carus

Elaine Sternberg

Peter Carl Mentzel

Ralph McInerny

Plutarch

Nicholas Capaldi

Stuart D. Warner

Marcus Aurelius Antoninus

Maia Cummings