Professor Jack Copeland talks about ‘one of his greatest
heroes’ Tommy Flowers, from his early life & career leading
to working with the Bletchley Park Codebreakers.
Jack explains the task faced when in mid-1942 the German
High Command started to use a new encryption device, the
Lorenz SZ40/42. The attack on Tunny, as it was dubbed by
GC&CS, would involve some of the greatest codebreakers we
had, Alan Turing, Bill Tutte &...