He was undeniably brilliant, and was instrumental in both the development of the Bombe (which broke the Enigma code), and the programming of Colossus (which broke... the other code the Germans used of which I can't remember the name). Plus he was instrumental in the first steps of both computer science in general and artifical intelligence in particular. He deserves the plaudits.
But so do a lot of other people who worked at Bletchly park (if you get the chance, go there, it's great) and elsewhere.
Omg word using person uses word that you understood to communicate idea.
Get over yourself, mate