According to legend, St. Cyprian of Antioch (not to be confused with Cyprian of Carthage) was a powerful sorcerer hired to magically seduce a Christian woman, Justina. Justina's faith protected her from Cyprian's magic, and, seeing the strength of her devotion, Cyprian burned his magical books and converted to Christianity.
His name is synonymous with books of magic, or "Cyprianus," particularly in Scandinavia and Portugal.
St. Cyprian and St. Justinasource: becomeorthodox.org
Timeline of related events
1820Publication of Hohmann's Long Lost Friend (is in the tradition of this person)
1821Publication of the Grand Grimoire (mentions this person)
1849Publication of the Sixth and Seventh Books of Moses (is in the tradition of this person)
1880First US Publication of the Sixth and Seventh Books of Moses (is in the tradition of this person)