One of the most important figures in World War II wasn’t a military commander or a powerful statesman: he was a mathematician. From a secretive mansion 50 miles north of London, Alan Turing and his fellow cryptanalysts broke the codes that led the Allies to victory. Sponsors! Upstart - Hurry to Upstart.com/ESPIONAGE to find out HOW LOW your Upstart rate is. Checking your rate only takes a few minutes—and won’t affect your credit!