Britain's Greatest Codebreaker
- Año: 2012
- País: United Kingdom
- Género: Documental, Drama, Historia
- Estudio: Story Center Films, Furnace, Channel 4 Television
- Palabra clave: suicide, world war ii, genius, cryptographic device, biography, male homosexuality, cryptologist, cryptography, computer science
- Director: Clare Beavan, Nic Stacey
- Emitir: Ed Stoppard, Henry Goodman, Paul McGann, Asa Briggs, Jean Valentine, David Leavitt