Turtles All The Way Down

One of the real joys of my current situation is that I am finally able to make a start on the list of books I've never had a chance to read. My current reading is A Brief History Of Time: I'd read reports that it is a difficult read, but I've not had any issues during the first few chapters.

However it was the opening that really struck me: a description of Bertrand Russell being interrupted in a lecture by a lady who insisted that the world was flat and carried on the back of a tortoise. Surely Nanny Ogg cannot have escaped from the Discworld?

Subsequently I did some research and found this:

https://en.wikipedia.org/wiki/Turtles_all_the_way_down

For some reason some people ignore the elephants and think in terms of multiple turtles!