About the Siemens Geheimschreiber - G printer - a crypto machine that Hitler's engineers designed in the 30's. The mathematician Arne Beurling at Uppsala University revealed the G-printer's secret.

• DirectorOlle Häger
• Release3 March 1994
• GenreDocumentary
• Duration0h 43m
• Budget?
• Revenue?
• Rate
  

  -
  0 reviews
• Productions