Alan Turing, Computing Genius And WWII Hero, To Be On U.K.'s New 50-Pound NoteBreaking News
tags: British history, WWII, Alan Turing, U.K.
Alan Turing, the father of computer science and artificial intelligence who broke Adolf Hitler's Enigma code system in World War II — but who died an outcast because of his homosexuality — will be featured on the Bank of England's new 50-pound note.
The new note will be printed on polymer and will bear a 1951 photo of Turing, the bank announced Monday. It's expected to enter circulation by the end of 2021. It will include a quote from Turing: "This is only a foretaste of what is to come and only the shadow of what is going to be."
Turing was just 41 when he died from poisoning in 1954, a death that was deemed a suicide. For decades, his status as a giant in mathematics was largely unknown, thanks to the secrecy around his computer research and the social taboos about his sexuality. His story became more widely known after the release of the 2014 movie The Imitation Game.
"Alan Turing was an outstanding mathematician whose work has had an enormous impact on how we live today," the Bank of England's governor, Mark Carney, said in unveiling the new note. "Alan Turing's contributions were far-ranging and pathbreaking. Turing is a giant on whose shoulders so many now stand."
In recent years, other updates to the Bank of England's currency have featured Jane Austen on the 10-pound note and Winston Churchill on the 5-pound. A new 20-pound note is expected next year, bearing a self-portrait by the artist J.M.W. Turner.
The Turing commemoration is the U.K. government's latest public reevaluation of the genius who was convicted of homosexuality under "gross indecency" laws in 1952. By the time he died, Turing had been stripped of his security clearance and was forced to undergo a "chemical castration" regime of estrogen shots to avoid serving a two-year prison term.
According to biographer David Leavitt, who wrote a book about Turing titled The Man Who Knew Too Much, some of the persecution that Turing faced was due to the government's fears that he could become a security risk. It was a sharp fall for Turing, who had toiled in secret at Britain's military intelligence headquarters at Bletchley Park to help defeat an existential threat to his country.
As for how Turing saw his own sexuality, Leavitt told NPR in 2012: "His attitude was that it was perfectly normal and not a big deal. And so he behaved as if everyone else felt the same way, which was obviously a big mistake at that time."
In astrophysicist Adam Frank's view, Turing's groundbreaking and important work was more than enough to earn a Nobel Prize — an honor Turing never received. Elaborating on Turing's achievements, Frank wrote for NPR:
"In 1935, at the ripe age of 22, Turing devised the abstract mathematical background to define a computing machine. Now called a 'Turing machine,' it would sequentially respond to input and generate output in a step-by-step (i.e., algorithmic) fashion. Turing machines are the essence of every device with a chip in it that you have ever encountered. That's why Turing stands, essentially, at the head of the line when it comes to the creation of the digital age. He is the father of all computers."
The anti-homosexuality laws that snared Turing remained in effect until 1967.
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