Pellegrino Ernetti

Pellegrino Maria Ernetti (October 13, 1925 - April 8, 1994) was an Italian monk of the Benedictine Order 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; ["Prepolyphony: Philosophical and Theological Principles of Music"]