Oops, I neglected the hyperlink for
Chariots of the Gods? Unsolved Mysteries of the Past -

written in 1968 by Erich von Däniken ... involves the hypothesis that the technologies and religions of many ancient civilizations were given to them by ancient astronauts who were welcomed as gods.

.... For the 1970 documentary film, see [Chariots of the Gods] (https://en.wikipedia.org/wiki/Chariots_of_the_Gods_(film)). Wikipedia

As for me, I never believed it necessary to credit to ETs, astronauts from other galaxies, or gods, the accomplishments of humans. Knowledge was gained and lost across the millennia. The lost library of Alexandria, the burned books of Aztecs and Incas -
LOST KNOWLEDGE
haunting......