Athenagoras I,
Irving Babbitt,
Mikhail Bakunin,
Karl Barth,
Henry Ward Beecher,
Daniel Bell,
Jose Bergamin,
Harold Bloom,
Lionel Blue,
John Burroughs,
Tony Campolo,
Sydney Carter,
Charles Caleb Colton,
Godfried Danneels,
Roger Ebert,
Albert Einstein,
Anselm Feuerbach,
John Frame,
Larry Graham,
Robert A. Heinlein,
Julia Ward Howe,
Claudio Hummes,
Robert Green Ingersoll,
William James,
Wyclef Jean,
Hans Kung,
Alfred Loisy,
John Gresham Machen,
Don Marquis,
Walter Martin,
H. L. Mencken,
Sun Myung Moon,
Christopher Morley,
Bill Moyers,
Arthur Peacocke,
Kenneth L. Pike,
John Polkinghorne,
Al Sharpton,
Leslie Stephen,
Lewis Tappan,
Jeremy Taylor,
Jim Wallis,
Walt Whitman,
E. O. Wilson,
Robert Anton Wilson,