Alan Ryan

Michael J. Seidler

Alexander the Great

David Conway

Tibor R. Machan

Epictetus

Brian Satterfield

William Godwin

Andrea Branchi

Joseph Butler

Nicholas Capaldi

Peter C. Myers

Benjamin Hoffmann

Matt Zwolinski

Boethius

Alexander Broadie

John Passmore

Jan Narveson

Joseph Rickaby, S.J.

Benedict de Spinoza

St. Thomas Aquinas

Francis Edward Sparshott

Plutarch

Ayn Rand

Panaetius

Jeremy Bentham

Dugald Stewart

Samuel Fleischacker

Michael Huemer

Ralph McInerny

Douglas Den Uyl

Eric Mack

Eric Schliesser