Maybe Ancient Aliens Are Out There After All
“While the concept of “ancient aliens” has been entertained by some of the brightest minds, the concept is generally attributed to–of all people–Carl Sagan, who posited as early as 1966 that what he called...

Maybe Ancient Aliens Are Out There After All

While the concept of “ancient aliens” has been entertained by some of the brightest minds, the concept is generally attributed to–of all people–Carl Sagan, who posited as early as 1966 that what he called paleo-contact might account for knowledge brought to Earth by extraterrestrials, in a book he coauthored with astrophysicist I.S. Shklovski called Intelligent Life in the Universe.

http://disinfo.com/2015/01/maybe-ancient-aliens/