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Revealing the huge influence of John von Neumann. Book review by Jon Turney

As Leibniz suggested, we appear to live in the best of all possible worlds, where the computable functions make life predictable enough to be survivable, while the uncomputable functions make life (and mathematical truth) unpredictable enough to remain interesting, no matter how far computers continue to advance

Wednesday June 23, 2021, 12:01 AM The new £50 note Credit: PA Wire/PA Images The Alan Turing £50 banknote has started to enter circulation, coinciding with the Bletchley Park codebreaker’s birthday. The new polymer Bank of England note will become available in bank branches and at ATMs in the coming days and weeks. Celebrating Mr Turing’s life, the Bank of England was also flying the Progress Pride flag above its building in London’s Threadneedle Street on Wednesday. Bank of England Governor Andrew Bailey with the new £50 note, featuring Alan Turing, at Bletchley Park in Milton Keyne...

A giant artwork of Alan Turing has been installed at the heart of GCHQ as the wartime hero becomes the first LGBT person to feature on a UK banknote. The first £50 notes depicting the famed mathematician, who is often considered to be the father of computer science, will be issued from Wednesday, June 23. To mark the occasion, a 10m by 10m rainbow-colored canvas inspired by the LGBT Pride flag has been unveiled at the centre of the GCHQ hub in Benhall, Gloucestershire – a building known as the Doughnut. Mr Turing broke the Enigma code at GCHQ’s wartime headquarters (GCHQ)

The new £50 note featuring Alan Turing has entered circulation (Joe Giddens/PA) The Alan Turing £50 banknote has started to enter circulation, coinciding with the Bletchley Park codebreaker’s birthday. The new polymer Bank of England note will become available in bank branches and at ATMs in the coming days and weeks. Celebrating Mr Turing’s life, the Bank of England was also flying the Progress Pride flag above its building in London’s Threadneedle Street on Wednesday. Bank of England Governor Andrew Bailey with the new £50 note, featuring Alan Turing, at Bletchley Park in Milton Ke...