The theme of the story was humans were aliens that killed off the indigenous evolving life on Earth and took their place as the top of the food chain. I believe this was discovered by the main character when he was in Africa and that it explained the gap between apes and humans of today.

  • 9
    It was all those telephone sanitizers
    – Fruitbat
    Commented Jul 29, 2015 at 15:54
  • I know of a short story where someone finds this in cave paintings, but you're fairly certain this was a novel plot?
    – FuzzyBoots
    Commented Jul 30, 2015 at 3:34
  • By "killed off the indigenous evolving life on Earth" do you really mean that they sterilized the Earth? Or did they just kill off some of the "higher" life forms?
    – user14111
    Commented Jul 30, 2015 at 4:33
  • probable duplicate of scifi.stackexchange.com/questions/104609/… (which is newer [and described somewhat incorrectly in the question] but has an accepted answer)
    – Otis
    Commented Oct 11, 2015 at 2:34
  • see also scifi.stackexchange.com/questions/35044/… for a question about the series
    – Otis
    Commented Oct 11, 2015 at 2:35

1 Answer 1


This is a key plot element in James Hogan’s Inherit the Stars. No spoilers for the rest of you.

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  • Hmm, that the OP was referring to this novel occurred to me as well. Commented Oct 6, 2016 at 11:55

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