W. Gordon Welchman
 | Bletchley Park: Code-breaking's Forgotten Genius (2015) Himself - Ex-Head of Hut 6, Bletchley Park (1939-1941) (archive footage) |
| | Bletchley Park: Code-breaking's Forgotten Genius (2015) Himself - Ex-Head of Hut 6, Bletchley Park (1939-1941) (archive footage) |