Society for the Investigation of the Unexplained

Established in 1965 by cryptozoologist Ivan T. Sanderson, the Society for the Investigation of the Unexplained (SITU) is dedicated to compiling and studying reports and other material related to unexplained events, sightings, and experiences, particularly those ignored by conventional scientists. The organization also regularly publishes a magazine, Pursuit.


  • Ivan T. Sanderson


The Greenhaven Encyclopedia of Paranormal Phenomena – written by Patricia D. Netzley © 2006 Gale, a part of Cengage Learning

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