Well, more accurately, I think he's saying that the modern ancient-astronauts idea can be traced back to Lovecraft's writing.
It's an interesting book, well worth the time.
There's a famous documentary - I think - from the 1950's called "The Most Haunted House in England," from Britain, that shows a very compelling piece of footage of a large, round orb that seems to slowly drift through a hallway and 'into' (i.e. through) a wooden door. I came across this piece...
I'm just going to throw this out there:
Daniel Cohen. The guy is retired and in his 70's, and is primarily known as a writer of children's nonfiction (he was my favorite writer as a kid), BUT he was involved in the UFO field for decades and is very knowledgable about the topic. I think his...