The "Cipher Challenge" marks the return of Colossus, specifically a rebuilt Colossus Mark II. It will be the first time a Colossus has been used since 1945 when Winston Churchill directed the machine be destroyed, according to the Bletchley Park Web site.
November 15, 2007 12:14 PM PST
Photo by: Bletchley Park Trust
Conversation powered by Livefyre