GREAT BRITAIN £50 Alan Turing 1st Run LOW Serial AA01 000132 SUPERB Unc RARE

  
SUPERB Condition with a highly desirable FIRST Run AA01 000132. Turing was highly influential in the development of.

Providing a formalisation of the concepts of. Which can be considered a model of a. Turing is widely considered to be the father of theoretical computer science and. Government Code and Cypher School. For a time he led.

The section that was responsible for German naval cryptanalysis. Here, he devised a number of techniques for speeding the breaking of German.

Including improvements to the pre-war Polish. Machine that could find settings for the. Turing played a crucial role in cracking intercepted coded messages that enabled the Allies to defeat the.

In many crucial engagements, including the.