Henri Lhote

Henri Lhote (16 March 1903 – 26 March 1991) was a French explorer, ethnographer, and discoverer of prehistoric cave art. He is credited with the discovery of an assembly of 800 or more works of primitive art in a remote region of Algeria on the edge of the Sahara desert. Lhote came to believe the paintings testified to ancient contact with extraterrestrial beings and is considered one of the early proponents of paleocontact. Provided by Wikipedia