There have been some lengthy and thoughtful posts every so often about Graham Hancock.

They include:

To all the qualified historians, how accurate are the points made in this podcast?
[www.reddit.com]

Ancient Apocalypse: is there any reputable support for Ice Age civilizations?
[www.reddit.com]

Why does the historical and archaeological community hate Graham Hancock so much?
[www.reddit.com]

A new look at history
[www.reddit.com]

Yours,

Paul H.

"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)