Dutch physician, occultist and demonologist
Weyer
Johannes Wier was a Dutch physician who was among the first to publish a thorough treatise against the trials and persecution of people accused of witchcraft.
His most influential work is De Praestigiis Daemonum et Incantationibus ac Venificiis.
Text adapted from Wikipedia, CC BY-SA 4.0. Photograph: Johann Jaritz (see Commons), Wikimedia Commons.