_____ will feature in Britain’s new £50 banknote that is expected to enter circulation by the end of 2021 ?

1) John von Neumann
2) Charles Babbage
3) Alan Turing
4) Joan Clarke

Explanation:
According to the Bank of England, Alan Turing, a crack code-breaker and visionary mathematician who set the foundations for artificial intelligence (AI) will feature on Britain’s new £50 banknote. The new note is expected to enter circulation by the end of 2021. Reason: The Bank of England is putting new faces on Britain’s banknotes as it switches from paper to polymer, a thin, flexible plastic film that is seen as more durable and secure.Background: In 2016, the polymer £5 notes were put into circulation with Winston Churchill and in 2017, £10 note with Jane Austen. Artist JMW Turner will feature on the £20 note in 2020.