Hi Joshua. Thanks for that. I hadn’t heard of Houdin before (thanks for bringing him to my attention). The other three have done impressive work, and are obviously worth listening to. I am slightly surprised, however, that you might consider them as completely authoritative.

In your article you reject the Ancient Alien theory in relation to the pyramids. Hancock has spent much time opposing that theory, and therefore has a big personal investment in maintaining his position. Have you read Sitchin? I’m sure objections can be made, but his writings do offer a compelling argument in favour of the Alien explanation.