Alan Ryan

Andrea Branchi

Lao Tzu

Confucius

Stuart D. Warner

Benjamin Hoffmann

Thales

Blaise Pascal

Charlotte C. Thomas

Nicholas Capaldi

Thomas Hobbes

Tibor R. Machan

Jan Narveson

Joseph Rickaby, S.J.

Evelyn Shirley Shuckburgh

St. Thomas Aquinas

James Mill

Peter Vallentyne

Helmut Schoeck

Samuel Fleischacker

Ralph C. Hancock

Anthony Ashley Cooper, Earl of Shaftesbury

John Locke

Paul Carus

Aaron Garrett

Marcus Aurelius Antoninus

Jeremy Bentham

Joseph Butler

Francisco Suárez

Maia Cummings

Carlo Lottieri

William Godwin

James Beattie