Biobibliographical article on Ramon Lull, who is called "Doctor Illuminatus."

Short biographical entry.

A capsule summary of Thessa Lindof's Ph.D. dissertation on Ramon Llull's "Ars Magna" and its significance for present-day theories of communication.

Two illustrations from an 18th-century edition of his works, linked to a short biography.

The cover art for John Sowa's book is Ramon Lull's tree of nature and logic. It is reproduced here, along with Sowa's explanation.

Essay on the ways in which Ramon Llull was an unacknowledged pioneer in many principles of logic and mathematics which are nowadays taken for granted.

Short biography, illustrated by early 16th-century woodcuts.

Short biography.

Biography, major works, importance in mathematics.

Description of a book in the collection of Dartmouth College, very brief biography of Lull, and a painted portrait.

Illustrated biographical essay. Includes short bibliography.

Long biographical essay.

A historical timeline of his life.

Color illustration. 14th-century miniature.

Lull may have been the first to use a mechanical device to generate logical proofs, an early logic machine of his own invention.

His place in the history of science, particularly psychology and medicine. Rather flippant about religion and somewhat dismissive of Lull.

Full text of biographical book by Samuel M. Zwemer. Each chapter in its own file. Also available for download as a zip file.

Although scholars sometimes eagerly look to Llull's "Book of Blanquerna" for information on elementary and secondary education in medieval Spain, it is at least as interesting for what it can tell us about Llull's cultural ideal.

Synopsis of an address by Werner Künzel, in which he discusses Lullus's logic machine, its use and abuse by Athanasius Kircher, and its influence on Gottfried Wilhelm Leibniz.

Biography of the Catalan mystic and missionary, by Karen Rae Keck.

Article on Llull's concept of rhetoric, by Mark D. Johnston.

Anonymous 15th-century Spanish depiction of Lull's martyrdom.

For the mathematically inclined.