So now that some time has passed and a lot of the implications of Prometheus have been digested, a question occurred to me. I'm not sure if theis was ever really delved into. It's really a two-part question..
1. Just how long has Ridley Scott considered that the Space Jockey in Alien is really an engineer; a creature which is "us" and created us?
2. While we're dealing with that, how long has Ridley Scott held that the aliens were a creation of a human-built android?
I think that these questions are only as profound as their real answers. If it was Ridley Scott's intent all along, since the late 70's, that the Space Jockey was an Engineer who created us, then the story of Prometheus has merit and is true onto itself. If it is a pipe dream of his originating somewhere around 2008, and completely upending his original intentions, then it begs the question about what that thing in the chair really was intended to be. The second question is, well... secondary.
We do have that old Giger painting which shows the guy in the space-suit getting impregnated. It looks a bit like an Engineer.
Also, Ridley was but one person in the crew of creatives who came up with the Alien mythos. Perhaps Dan O'Bannon had a different vision for who the Space Jockeys were? I am curious about how well the notion of the Space Jockey was fleshed out before it became the Engineer, and if it was intended to be an Engineer all along. With all the interviews which took place, does anyone have any insights?