he solved the enigma
He was a computer scientist and a mathematician.
Born and died
He was born on the 23rd of June 1923 and h died on the 3rd of June 1954.
He solved it during ww2 and it gave the allies the upper hand.
What did he do?
He solved the enigma; he wrote a document which is now known as the foundation of computer science ; he was a part of the governments code braking department and created a design for the first automatic computer engine