The Theban alphabet: the letters attributed to Honorius of Thebes

Among the magical scripts of the Renaissance, the Theban alphabet is perhaps the one that has enjoyed the longest career. Its twenty-three letters, elegant and full of curls, correspond almost one by one to the Latin alphabet and bear the name of a mysterious figure, Honorius of Thebes. No known medieval manuscript preserves them: their documented history begins with print, in the early sixteenth century, and it has never stopped since.

The first appearance in print

The first text to publish the Theban alphabet is the Polygraphia of the German abbot Johannes Trithemius, issued in 1518, two years after the author's death. In that work Trithemius gathers dozens of systems of secret writing and of exotic alphabets, real or supposed, and places the Theban letters beside other characters attributed to ancient figures. The attribution to Honorius is presented as received from Pietro d'Abano, the famous Paduan physician and philosopher who died around 1316.

A few years later the alphabet reappears in the De occulta philosophia of Heinrich Cornelius Agrippa, whose complete edition in three books was printed in Cologne in 1533. Agrippa, who had been in contact with Trithemius, places the Theban letters in the third book, devoted to ceremonial magic, together with other scripts regarded as sacred. It was thanks to this encyclopaedia, read and copied for centuries, that the alphabet spread throughout Europe.

Who was Honorius of Thebes

The name of Honorius of Thebes is linked above all to the Liber iuratus, the Sworn Book, a Latin treatise on ritual magic that circulated in manuscript at least from the fourteenth century. According to the work's prologue, an assembly of magicians entrusted Honorius, son of Euclid, with the task of summarising their knowledge in a single book. This is in all likelihood a legendary frame, and there is no historical evidence that an author of this name ever existed.

It should also be noted that the Liber iuratus, in the known manuscripts, does not contain the Theban alphabet. The link between the letters and Honorius is therefore a Renaissance attribution, consistent with the habit of the age of tracing secrets back to remote and venerable masters. The reference to Thebes also remains obscure: it may evoke Egyptian Thebes, legendary homeland of Hermetic wisdom, or the Greek city, but no source explains the choice.

From scholars' libraries to modern witchcraft

For Agrippa and his readers the Theban alphabet served to write sacred names and inscriptions on talismans, removing them from the gaze of the uninitiated. During the twentieth century the same letters were adopted by modern witchcraft movements, especially in England, which called them the witches' alphabet. Since then they have appeared in ritual notebooks, jewellery and decorative objects, often accompanied by stories about their antiquity that the sources do not confirm.

From a graphic point of view, the Theban alphabet has curious features. It does not distinguish between capitals and small letters, it lacks some Latin letters such as j and w, and in many reproductions u and v share the same sign, as happened in the Latin writing of the time. Old editions also show a final sign that closes the word or sentence. Every reprint introduced small variants, and there is no single, definitive form of the letters.

The Theban alphabet shows clearly how a script born on the printed page can acquire, within a few centuries, the aura of a very ancient knowledge. Its letters passed from the hands of a learned abbot to those of a wandering philosopher, then to generations of copyists and finally to present-day readers. Its real history, made of books, printers and learned readers, is no less fascinating than the legend that accompanies it.