Inc., 2000. . Ronald D. Story, editor, The Encyclopedia of Extraterrestrial Encounters, NY, NY: New American Library, 2001. . External links "A Brief History of Giant Rock Covering the Last 90 Years (1887–1977)" , integratron.com; accessed 2 July 2017. Reminiscence of George Van Tassel, ufoevidence.org; accessed 2 July 2017. 1910 births 1978 deaths 20th-century American writers 20th-century apocalypticists American UFO writers Writers from California Channellers Contactees History of the Mojave Desert region People from Jefferson, Ohio People from San Bernardino County, California Ufologists UFO religions