Here are some alternative sources: http://www.newscentre.bham.ac.uk/press/2007/10/24Oct07Turingprize.shtml http://www.newscentre.bham.ac.uk/press/2007/10/24Oct

Here are some alternative sources: http://www.newscentre.bham.ac.uk/press/2007/10/24Oct07Turingprize.shtml http://www.newscentre.bham.ac.uk/press/2007/10/24Oct07Turing... http://www.nature.com/news/2007/071024/full/news.2007.190.html http://www.nature.com/news/2007/071024/full/news.2007.190.ht... The second link is particularly informative.