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The Alan Turing Pen

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The Alan Turing Pen


The Alan Turing Pen

The National Museum of Computing has launched the second in their series of Conway Stewart pens following the success of the Turing-Welchman Pen. The top of the pen has a specially designed ‘X’ button in silver and black enamel which is a replica of an ‘X’ Key on the Enigma machine and also represents Station X.

There will only be 251 editions made worldwide. Each pen has its edition number engraved on the end of the barrel. 

During World War II Alan Turing was based at Station X, otherwise known as Bletchley Park, the Victorian mansion that served as the wartime HQ of Britain’s top codebreakers. As part of a team of highly talented mathematicians and cryptologists, he helped design the Bombe that decoded thousands of Nazi military communications on a daily basis, and helped shorten the war by 2 - 4 years.

Station X 

ln May 1938 Admiral Sir Hugh Sinclair, head of the Secret Intelligence Service (SIS or Ml6), bought the mansion and 58 acres (23 ha) of land for use by GC&CS and SIS in the event of war. Initially, a wireless room was established at Bletchley Park. It was set up in the mansion’s water tower under the code name “Station X”, a term now sometimes applied to the codebreaking efforts at Bletchley as a whole. The “X” is the Roman numeral “ten”, this being the Secret Intelligence Service’s tenth such station. 

The Enigma Machine 

Thousands of coded communications between the German Army, Air Force and Navy were transmitted each day during WWII using a portable typewriter-like cipher machine that used changeable rotors and plugboards. This machine was made by a company called ENIGMA, so the device became known by the same name. The encryption were changed each day by the Germans, so the British had to find a way to decipher the new code every 24 hours from a staggering 1.5 x 1020 possible options.  Alan’s genius and his wonderful team based at Station X designed a machine that could break the code quickly so thousands of  enemy messages could be read each day. Alan is often considered the father of modern computer science, and Station X as the beginnings of the Government Communications Headquarters, commonly known as GCHQ, the British intelligence and security organisation

After the war, Alan worked at the National Physical Laboratory where he designed the Automatic Computing Engine (ACE), one of the first computers with a stored program. 

The Pen 

Engraved on the barrel are the words “The Alan Turing Pen” to keep alive the memory of this most ingenious man whose secret activities during the Second World War helped save Europe from Nazi tyranny, and also triggered the start of the computer era. 

Around the wide sterling silver cap band is the word "ENIGMA", and there is a secret compartment to hide your secret message – unscrew the barrel end, and there is a compartment to hold a small scroll of paper – your message to yourself, or to your loved one, hopefully written in code!  (Please note the book does not come with the pen)

Available as a Fountain Pen or a Rollerball. (Please note in the rollerball version the end of the barrel does not unscrew for the secret message).

The National Museum of Computing

This pen is brought to you by the National Museum of Computing based at Bletchley Park, England. An amazing museum which is home to the world’s largest collection of working historic computers; from the Turing-Welchman Bombe and Colossus of the 1940s through the large systems and mainframes of the 1950s, 60s and 70s, to the rise of personal computing, and culminating with mobile computing, the internet, video games, and robotics. A proportion of each pen sold is given to the Museum to help with their running costs. To take a virtual tour of the Museum visit their website 


In addition to selecting the nib width; you may further customise your nib to match your writing style, choosing from:

  • Italic
  • Left Oblique
  • Right Oblique
  • Stub

Our nib wright who is one of the UK’s most experienced will undertake the work to your exact specification

Find out more about our customised nibs in FAQ


You may select one of our Conway Stewart 2-tone 18ct gold nibs to be fitted to your fountain pen. They have been acclaimed by many of our customers for their ‘smooth-as-butter’ writing experience and are available in Extra Fine, Fine, Medium or Broad widths.


This pen has a dual filling system. It is fitted with a converter (reservoir) which allows the user to draw ink from a bottle or alternatively, you may remove the converter and use standard European ink cartridges. All our fountain pens come with 2 complimentary cartridges so you can start to use it immediately. If you prefer to use bottled ink, we recommend our own range of high quality ink, made in England and available in a range of colours.

Explore our Writing Accessories

  • Length Closed: 146mm | 5.75″
  • Length Posted: 181mm | 7.13″
  • Length of Barrel incl nib: 138mm | 5.43″
  • Length of Cap: 70mm | 2.76″
  • Diameter of Barrel: 15mm | 0.59″
  • Diameter of Cap: 17.5mm | 0.69″
  • Weight: 35gms | 1.23oz

Delivery, Taxes & Customs

Pens are handmade to order, so please allow up to 28 days for delivery.

We can expedite orders if they are needed for a specific date, leave a note at checkout. See how here.

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