Code-Breakers: Bletchley Park's Lost Heroes

00:00:14 This is a British mathematician called Bill Tutte.

00:02:59 It's like there's not enough room on the stage

00:06:17 World War Two was a conflict uniquely designed

00:08:27 monitoring and recording stations

00:10:41 but in the Second World War it was much more about mathematics.

00:12:47 on his teleprinter without any intervention on his part.

00:15:14 and we already know that that's going to come in, in terms of this pattern.

00:17:56 I imagine he might have been frustrated at the school itself

00:20:59 He abbreviated Nummer, the German word for "number", to "Nr"

00:23:15 and in effect the K disappears from the equation.

00:25:27 Colonel John Tiltman would take such a message

00:28:16 the dominant thing is here the fact that you get this resonance after 41.

00:31:02 The Tunny decrypt showed that they were about to make

00:33:46 a breakthrough kept secret for nearly 60 years.

00:35:53 I can have the patterns generated in electronic circuits

00:38:48 That's the data going into Colossus.

00:41:18 and water was inching inexorably across the floor

00:43:15 wanted it to be in the Normandy region.

00:46:03 that the machine cannot be broken.

00:48:44 "You can't go home and tell your mother or your father

00:51:24 Well, all that was rather nice

00:53:48 finally did speak of it, then it lifted an enormous burden

00:56:30 and an IT centre named after him in his native East End.

198:00:09 he bought a PC