Ivan Sanderson

(3) tv-pg

Ivan Sanderson

(3 min) tv-pg

In this UFO Files video, brought to you by the History Channel, learn about Ivan Sanderson, a zoologist and British spy who wrote a landmark book, Invisible Residents, talking about unidentified submerged objects. Sanderson theorized that there is a line connection of vial vortices that have caused many ship wrecks and also may be home to USOs.

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