As any neurologist could tell you, that old tale about how humans only use 10% of our brains is a load of bunk, but the idea continues to exert a fascination within the realms of pulp entertainment.
Robert Reinert was a German film director and screenwriter. Born in Vienna, he moved to Munich around 1900. He wrote several novels, including "Der Weg zur Sonne" and "Krieg". His successful script ...