Dr. Friedman states, "There is not a single person in the world who can make this pencil." He explains that the creation of even a simple object - like the "lead" pencil - requires the knowledge of many people, lumberjacks, steel manufacturers, miners, etc. These people may not speak the same language, they may not know or like one another, yet the market enables them to combine knowledge and effort to produce wealth.
Horizon investigates whether first contact with aliens has already occurred. The publication of 'Chariots of the Gods?' by Erich von Daniken is central to this documentary and some of von Daniken's claims of evidence of extra-terrestrial visitations.
