Dilly: The Man Who Broke Enigma

The highly eccentric Alfred Dillwyn Knox, known as ‘Dilly’, was one of the leading figures in the British code-breaking successes of the two world wars. Mavis Batey, who worked for Knox at Bletchley Park, reveals the vital part Dilly played in the deception operation that ensured the success of the D-Day landings, altering the course of the Second World War.