World War II has proven to be a great, perhaps THE great source for all manner of literature and film since 1945. Death and destruction on a previously unimaginable scale, sure. But a gold mine for writers and filmmakers. Almost seven decades on, despite existing mountains of scholarship and art, new narratives or wrinkles seem to emerge yearly, while those stories long-established provide their ongoing variations. So it is with one of history's great thrillers, the breaking of the Nazi's seemingly unbreakable Enigma code. In the last dozen or so years alone, there have been several productions based on the long-secret effort. Enigma (2001), written by Tom Stoppard and directed by Michael Winterbottom, is a highly-fictionalized story set in the actual English code-breaking center at Bletchley Park. More recently, the English series Bletchley Park (2012-14) followed a group of women who worked at the Milton Keynes complex during the war, re...