Our ancestors came from outer space

235p, index, 4p of B&W photos. Did human civilization begin when extraterrestrial visitors landed on this planet 65,000 years ago? Maurice Chatelain, a designer of the Apollo spacecraft which landed on the moon has produced a wealth of scientifically-based evidence to support this astounding theory. It is also possible that all mankind's knowledge did not evolve slowly, but was bequeathed to us suddenly by visitors? Did these visitors possess dazzling knowledge of mathematics, astronomy, electricity ... and even nuclear physics? Are they the secret behind the so-called "legend of Atlantis"? And are these cosmic astronauts still sending us signals -- and watching our progress with increasing interest?