Ivan Sanderson was a professional biologist who founded the Society for the Investigation of the Unexplained in Columbia, New Jersey, wrote "The Twelve Devil抯 Graveyards Around the World" for Saga magazine in 1972. Reprinted in Paradox, by Nicholas R. Nelson, Dorrance & Co., Ardmore, Penn. 1980.
"... with several associates, he set out to 'pattern the mysteries' by taking full advantage of modern communication technology and statistical data analysis. His success was startling. "The Twelve Devil抯 Graveyards Around the World," plotted ship and plane disappearances worldwide, focusing attention on 12 areas, equally spaced over the globe, in which magnetic anomalies and other energy aberrations were linked to a full spectrum of strange physical phenomena.