Alan Ryan

David W. Carrithers

Jack Russell Weinstein

Roderick T. Long

Francis Edward Sparshott

Peter Carl Mentzel

Peter C. Myers

Aaron Garrett

Brian Satterfield

Eric Mack

Ralph McInerny

Anthony Ashley Cooper, Earl of Shaftesbury

Rhazes

Alexander the Great

Plotinus

Jan Narveson

J.W. Semple

Mary Campbell Smith

Michael J. Seidler

William Godwin

Douglas Den Uyl

David Conway

John Stuart Mill

Samuel Gregg

Gershom Carmichael

Brian Kogelmann

William George Pogson Smith

Benjamin Hoffmann

James Beattie

René Descartes

St. Thomas Aquinas

Jean-Jacques Rousseau

Jeremy Bentham