Alan Ryan

Brian Satterfield

Helmut Schoeck

David Conway

Thomas Reid

Rachel Ferguson

Immanuel Kant

Lewis Amherst Selby-Bigge

J.W. Semple

Samuel Gregg

Thomas Hobbes

Carlo Lottieri

Michel de Montaigne

Socrates

Jack Russell Weinstein

Aeon J. Skoble

Aaron Garrett

Panaetius

Jan Narveson

Anthony Ashley Cooper, Earl of Shaftesbury

Titus Lucretius Carus

James Beattie

Hardy Bouillon

Aristotle

Tibor R. Machan

Michael Huemer

Lao Tzu

René Descartes

Rhazes

Joseph Rickaby, S.J.

Ayn Rand

William Godwin

Peter Vallentyne