The witch craze could not have traveled as far or lasted as long without the printing press. Malleus Maleficarum (Hammer of the Witches), a 1486 screed by the German witch-hunter Heinrich Kramer, became the best-selling witch-hunter’s handbook, going through 28 editions by 1600. Similarly, it was the books and pamphlets “exposing” the Illuminati that allowed those ideas to spread everywhere following the French Revolution. And in the early 20th century, the introduction of the radio facilitated…
