Gordon Welchman was one of the original elite codebreakers crucial to the allies defeating the Nazis in World War II. He is the forgotten genius of Bletchley Park.

• DirectorRussell England
• Release7 September 2015
• GenreDocumentary
• Duration0h 46m
• Budget?
• Revenue?
• Rate
  

  7.286
  7 reviews
• Productions

  BBC