# Alan Turing to feature on new £50 note

- Link: https://fundraising.co.uk/2019/07/16/alan-turing-to-feature-on-new-50-note/
- Published: 2019-07-16T10:00:09+01:00
- Author: Melanie May

**The Bank of England has announced that Alan Turing will appear on the new £50 
polymer note, expected to enter circulation by the end of 2021.**

Alan Turing was chosen following the Bank’s character selection process including
advice from scientific experts. In 2018, the Banknote Character Advisory Committee
chose to celebrate the field of science on the £50 note and this was followed by
a six-week public nomination period. The Bank received 227,299 nominations, covering
989 eligible characters from which the Committee drew up a shortlist of 12 options,
with Bank of England Governor, Mark Carney, making the final decision.

> Alan Turing will be the new character on the £50! Find out more: [https://t.co/y6CPh3SckQ](https://t.co/y6CPh3SckQ)
> [#Turing50](https://twitter.com/hashtag/Turing50?src=hash&ref_src=twsrc%5Etfw)
> [#ThinkScience](https://twitter.com/hashtag/ThinkScience?src=hash&ref_src=twsrc%5Etfw)
> [pic.twitter.com/zGy4ZSr5mv](https://t.co/zGy4ZSr5mv)
> 
> ## Advertisement
> 
> — Bank of England (@bankofengland) [July 15, 2019](https://twitter.com/bankofengland/status/1150745963637727238?ref_src=twsrc%5Etfw)

Carney commented:

> “Alan Turing was an outstanding mathematician whose work has had an enormous impact
> on how we live today. As the father of computer science and artificial intelligence,
> as well as war hero, Alan Turing’s contributions were far ranging and path breaking.
> Turing is a giant on whose shoulders so many now stand.”

The shortlist included Mary Anning, Paul Dirac, Rosalind Franklin, William Herschel
and Caroline Herschel, Dorothy Hodgkin, Ada Lovelace and Charles Babbage, Stephen
Hawking, James Clerk Maxwell, Srinivasa Ramanujan, Ernest Rutherford, Frederick 
Sanger and Alan Turing.

The new £50 note will celebrate Alan Turing and his work with computers. As shown
in the concept image, the design on the reverse of the note will feature:

 * A photo of Turing taken in 1951 by Elliott & Fry, which is part of the Photographs
   Collection at the National Portrait Gallery.
 * A table and mathematical formulae from Turing’s seminal 1936 paper _On Computable
   Numbers, with an application to the Entscheidungsproblem. _This paper is widely
   recognised as being foundational for computer science.
 * The Automatic Computing Engine (ACE) Pilot Machine, which was developed at the
   National Physical Laboratory as the trial model of Turing’s pioneering ACE design.
   The ACE was one of the first electronic stored-program digital computers.
 * Technical drawings for the British Bombe, the machine specified by Turing and
   one of the primary tools used to break Enigma-enciphered messages during WWII.
 * A quote from Alan Turing, given in an interview to The Times newspaper on 11 
   June 1949: “This is only a foretaste of what is to come, and only the shadow 
   of what is going to be.”
 * Turing’s signature from the visitor’s book at Bletchley Park in 1947, where he
   worked during WWII.
 * Ticker tape depicting Alan Turing’s birth date (23 June 1912) in binary code.
   The concept of a machine fed by binary tape featured in the Turing’s 1936 paper.

> I just got a nice little shiver when working out whether the binary on the ribbon
> of the new £50 banknote meant anything.
> 1010111111110010110011000 is 23061912 
> in decimal. Alan Turing was born on the 23rd June 1912. What a nice touch.RIP,
> Alan. [pic.twitter.com/BUXzrT31FY](https://t.co/BUXzrT31FY)
> — dan barker (@danbarker) [July 15, 2019](https://twitter.com/danbarker/status/1150754128362188800?ref_src=twsrc%5Etfw)

Ahead of the £50 launch however, the [new £20](https://fundraising.co.uk/2016/04/27/jmw-turner-appear-next-20-note/)
will be issued in 2020, featuring the artist JMW Turner.

## ⏎ Issued on 23 June 2021

The £50 note was issued on 23 June 2021 on the 109th anniversary of Alan Turing’s
birth.

> The new £50 note featuring LGBTQ icon Alan Turing officially enters circulation
> today, on what would've been the WWII codebreaker's 109th birthday:[https://t.co/hryxtpPt6b](https://t.co/hryxtpPt6b)
> [pic.twitter.com/Z0MkiKuImK](https://t.co/Z0MkiKuImK)
> — Attitude Magazine (@AttitudeMag) [June 23, 2021](https://twitter.com/AttitudeMag/status/1407615621291024386?ref_src=twsrc%5Etfw)
