Thanks for the response. I don't have anything profound to offer you, only that religious traditions tend to add mythological elements to their stories, as time goes by. This would also seem to be true of Christianity.

If you're not already aware of it, you might find Tom Holland's documentary interesting. See the wikipedia entry: Islam: The Untold Story - Wikipedia

It's on Youtube: Tom Holland 'Islam The Untold Story' Channel 4 UK Documentary - YouTube