Traugott Konstantin Oesterreich


Traugott Konstantin Oesterreich was a German religious psychologist and philosopher.
Oesterreich was also interested in parapsychology. He argued against the philosophy of materialism.
He was the author of Die Besessenheit, a book on demonic possession. It was translated into English in 1966. William Peter Blatty, author of The Exorcist, was influenced by the book.

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