A composite photo (left) and artist's rendering (right) of the Minnesota Iceman. The body of this unknown creature, frozen in a block of ice, was exhibited by a traveling showman, Frank Hansen in the 1960s. It came to the attention of Dr. Bernard Heuvelmans and researcher Ivan T. Sanderson in 1968, both of who studied and photographed the creature as best they could in the ice, and were convinced that it was a real body of an unknown primate. Hansen claimed that the creature had been killed in Vietnam. Hansen later sold the body to an unknown buyer, and substituted a replica so he could continue his show. Whereabouts of the original body are unknown.