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Originally Posted by zorcarepublic Regarding Hawkings books, do you think there is such a thing as a built-in 'policeman' in order to prevent time travel? It would certainly be a bit of a problem for those of us who'd like to murder their grandfather, wouldn't it? |
Actually, I believe that idea is not Hawkings but Igor Novikov's. He published his 'self-consistency theory' in 1983.
But interestingly, 10 years earlier, in 1972, in
Day of the Daleks, Jon Pertwee's Doctor mentioned the
Blinovitch limitation effect - that a time traveller cannot "redo" an act that they have previously committed - essentially the same thing. Ecclestone's Doctor mentioned the same thing in
Father's Day.
I really rate
The Man Who Folded Himself but it was a difficult book to get hold of. It is out of print. I got an Inter-Library Loan and it actually came from the BBC Library.