On May 28, 1936, Alan Turing submits "On Computable Numbers" for publication at Princeton University. The English PhD student's paper became the foundation of modern computer science and artificial intellegence
Mathematician, Logician, Theoretical Biologist, Code Breaker, and the Father of modern Computer Science
The Bombe machine in the photograph above, was designed by Turing at Beltchly Park in England, during the early part of WWII. It's an electro-mechanical device used by British cytologists to help decipher German Enigma-machine's encrypted secret messages.
Winston Churchill stated that Alan Turing's breaking of the Enigma Code shortened WWII by 2-4 years, possibly saving 14-21 million lives!