The story of his life begins in 1912 and, although he died in 1954 in very sad circumstances, the story of his life continues to this day - through his contributions to modern computing.

A mathematician of oustanding ability and exceptional intelligence. His work was important to the development of modern computing.

It has been said that his work at Bletchley Park made such an impact on the course of the war, that it may have shortened the conflict by almost two years.

Alan Mathison Turing was born in 1912, just two years before the outbreak of the First World War.

In September 2009, Gordon Brown issued a formal apology to Alan Turing. Why did this happen more than 50 years after his death?