Historians credit Alan Turing with shortening World War II by about two years and saving millions of lives. You may have seen The Imitation Game, a film released in 2014 that focused on Alan Turing trying to crack the German Enigma code.
The new £50 note features an image of Turing and his signature. The note includes a quotation from Turing about his ground-breaking Pilot ACE machine, one of the world’s first computers: “This is only a foretaste of what is to come and only the shadow of what is going to be.”
Go to NPR to read more about Turing’s accomplishments and why he was selected to appear on the new note.