http://www.codinghorror.com/blog/archives/001143.html
http://www.charlespetzold.com/blog/blog.xml
http://www.amazon.com/dp/0470229055/?tag=codinghorror-20
http://en.wikipedia.org/wiki/Turing_Award
http://en.wikipedia.org/wiki/Turing_test#Alan_Turing
http://www.ellsbury.com/enigmabombe.htm
http://en.wikipedia.org/wiki/Turing_completeness
http://en.wikipedia.org/wiki/Turing_machine
http://en.wikipedia.org/wiki/Alan_Turing
http://en.wikipedia.org/wiki/Church%E2%80%93Turing_thesis
http://www.turingarchive.org/copyright/?destination=%2Fviewer%2F%3Fid%3D466%26title%3D01a