In 1939, inventor Hans Laube unveiled a stunning technological innovation at the New York Worlds Fair, an enterprise he named Smell-O-Vision. This was not a simple gimmick; it was a complex system of pipes running to every seat, all controlled by a central unit he dubbed the smell brain. The development of this technology represented a bold discovery in entertainment, promising a new level of immersion and a potential new market for education and growth within the film industry. Two decades late