Hans Holzer
Hans Holzer was a prolific author and investigator of paranormal phenomena, writing over 140 books on ghosts, the afterlife, witchcraft, and extraterrestrial beings.
He coined the term "the other side" to describe the realm of supernatural occurrences.
Holzer's most famous investigation was the Amityville Horror house on Long Island.
He studied at the University of Vienna and Columbia University, earning a master's degree in comparative religion.
Holzer taught parapsychology at the New York Institute of Technology and conducted investigations worldwide.
His work significantly contributed to the field of paranormal research until his death in 2009.
