This lecture gives a description of the Enigma machine and how it was used operationally by the Germans, followed by an explanation of the how the Enigma messages were broken with the Turing Bombe. Mr Frank Carter works for the Bletchley Park Trust and is an expert on the methods used to break...

Between 1937 and 1970, computers were difficult to make, difficult to keep running and difficult to use. Since 1970, everything has become progressively easier. Today every academic has at least one computer on his or her desk, and the Computing Service has changed greatly as a result. In 1937...