For the mathematically inclined.

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

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

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.

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.

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

A historical timeline of his life.

Long biographical essay.

Biography, major works, importance in mathematics.

Short biography.

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

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.

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

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