Will the toughest problem in maths ever be solved?
For many, not just mathematicians, the Riemann hypothesis is the very definition of a supremely difficult problem that might be forever beyond our intellect. Most mathematicians had given up on it, being pessimistic about making any headway. But recently, the first progress – although not a solution – in more than 50 years has been made.
By David Whitehouse via @spectator
https://www.spectator.co.uk/article/will-the-toughest-problem-in-maths-ever-be-solved/