Piecing together the history of puzzles: the accidental puzzle inventors

You have to be ingenious to solve a puzzle so think how clever you have to be to devise one which captures the public's imagination!
Today, games and puzzles are seen as vital ways of sharpening our brain cells – not only are games and puzzles fun, they have also been credited with warding off memory loss.
You can see people playing puzzles on their mobile phones while travelling on buses and trains, and during their work breaks. What did we do before games and puzzles – it really is a

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