The Wilson Cheltenham Art Gallery & Museum

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Numero oggetto
2015.4
Descrizione
Plaque commemorating the invention of public-key cryptography by James Ellis, Clifford Cocks and Malcolm Williamson at GCHQ. The system was proved by 1975 but kept secret until 1997.
Nome oggetto
plaque
Materiale
cast iron
Dimensioni
- l: 460mm
- w: 305mm

The Wilson, Clarence Street, Cheltenham GL50 3JT
tel: 01242 387488 email: [email protected]