Encyclopedic resource offers a brief biography of the Jewish philosopher from medieval Spain.

Browse a profile of the German philosopher Theodor Adorno whose works include "Versuch uber Wagner," "Dissonanzen" and "Mahler."

Reference guide provide a biography of Al-Ghazali, a Muslim philosopher who made major contributions to religion and Sufism.

Find a brief profile on Amos Bronson Alcott, an American philosopher and social reformer. He was a major advocate of Transcendentalism.

Check out a brief profile of Alexander of Hales, an English philosopher whose works include "Summa Theologica."

Peruse a brief profile of the British philosopher Samuel Alexander, author of "Space, Time, and Deity."

Browse papers by, and about, the major contemporary Christian philosopher of religion, William Alston. Also find a picture.

Features "An Inquiry into the Nature of Corn Laws," by the Scottish philosopher who discovered the Ricardian theory of rent.

Guide to this English economic historian features the text of "The Tory Origin of Free Trade Policy," written in 1897.

Reference guide provide a biography on this 20th century Oxford educated British philosopher.

Find an encyclopedia entry for Avempace, a Spanish Muslim philosopher whose works include "In the Union of the Intellect."

Check out an encyclopedia entry for Sir Alfred Jules Ayer, a 20th century British philosopher whose works include "Language, Truth, and Logic."

Contemplate the musings of Emperor Marcus Aurelius Antoninus, one of Rome's few benevolent rulers and a faithful student of Stoic philosophy.