Pellegrino Ernetti

Pellegrino Maria Ernetti (October 13, 1925 - April 8, 1994) was an Italian Catholic monk of the Benedictine Order, exorcist, and musicologist (focused on pre- and early Christian works), popularly claimed to be the creator of the Chronovisor, a device that purportedly enables the user to see and hear scenes from the past via an unknown process involving harmonic resonance.

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 * &mdash; [English: "Prepolyphony: Philosophical and Theological Principles of Music"]
 * &mdash; [English: "The Catechesis of Satan: from the Long Experience of an Exorcist; The Demon: Exists Today; The Era of Satan: Ours."]