Alan Ryan

Joseph Rickaby, S.J.

Lewis Amherst Selby-Bigge

Jan Narveson

Ralph McInerny

James Mill

Elaine Sternberg

Alexander the Great

John Passmore

Andrew R. Scoble

St. Thomas Aquinas

Virginia Postrel

J.W. Semple

Avicenna

Adam Smith

Aristotle

Francis Hutcheson

Matt Zwolinski

Mo Tzu

Titus Lucretius Carus

Ayn Rand

James Beattie

Khalil M. Habib

Ralph C. Hancock

William George Pogson Smith

Sir James Mackintosh

Brian Kogelmann

Dugald Stewart

Charlotte C. Thomas

Epictetus

Samuel Gregg

John Locke

Mortimer J. Adler