Johannes Trithemius (/trɪˈθɛmiəs/; 1 February 1462 – 13 December 1516), born Johann Heidenberg, was a German Benedictine abbot and a polymath who was...

author and monk Johannes Trithemius in 1508, and used in his Trithemius cipher. The Trithemius cipher was published by Johannes Trithemius in his book Polygraphia...

Polygraphia is a cryptographic work written by Johannes Trithemius published in 1518 dedicated to the art of steganography. The full title is "Polygraphiae...

written in c. 1499 by the German Benedictine abbot and polymath Johannes Trithemius. Trithemius' most famous work, Steganographia (written c.1499; published...

tabula recta of Trithemius but added a repeating "countersign" (a key) to switch cipher alphabets every letter. Whereas Alberti and Trithemius used a fixed...

meaning "writing". The first recorded use of the term was in 1499 by Johannes Trithemius in his Steganographia, a treatise on cryptography and steganography...

derived his copy of Liber Malorum Spirituum from a now-lost work by Johannes Trithemius, who taught Agrippa, who in turn taught Weyer. This portion of the...

malevolent or malicious. In doing so, he came into conflict with Johannes Trithemius who refused to believe in Ficino's theory but created spells and...

42. Johannes Trithemius, In Praise of Scribes (de Laude Scriptorum), Klaus Arnold, ed. (Lawrence, Kansas: Colorado Press, 1974), p. 35. Johannes Trithemius...

way for thinkers and intellectuals, like Marsilio Ficino, abbot Johannes Trithemius and Heinrich Cornelius Agrippa, to advance esoteric and ritualistic...