Thomas Kingsmill Abbott

H.B. Acton

John Emerich Edward Dalberg, Lord Acton

Charles Francis Adams

Henry Adams

John Adams

Joseph Addison

Aeschylus

K Narayanaswami Aiyar

Armen A. Alchian

Jean Le Rond d’ Alembert

William Allen

William Talbot Allison

Johannes Althusius

Ambrose

Amos

Rasmus B. Anderson

An American (Anonymous)

National Anti-Corn Law League

Marcus Aurelius Antoninus

St. Thomas Aquinas

Arthur John Arberry

Aristophanes

Aristotle

Thomas Henry Arnold (the younger)

Saint Francis of Assisi

Edward Atkinson

Saint Augustine

Averroes (Ibn Rushd)

Manuel Ayau