Code breaker dies 29 April 2009

Code breaker dies

Irving John "Jack" Good, who has died aged 92, was a statistician and mathematical genius who, having shown his talent in childhood, made crucial contributions to the successful assault on German codes and ciphers at Bletchley Park during the second world war. Two decades later the director Stanley Kubrick called on him while making 2001: A Space Odyssey (1968).

Read his obituary in The Guardian (April 29, 2009):