For decades, the story of a British mathematician who cracked the German U-Boat Enigma code remained a mystery. Now the world knows more about the story of Alan Turing thanks to the Oscar-nominated movie The Imitation Game.
But Turing's contributions go far beyond Enigma. He is considered by many to be the father of the modern computer.
Follow the link below to listen in as author Andrew Hodges joins Simon Mercep of Radio New Zealand National to discuss his book, Alan Turning: Enigma that is the basis of The Imitation Game movie.