During the war, he designed a Rift Predictor for Torchwood Three in 1941 (PROSE: The Twilight Streets) and cracked the code at Bletchley Park in spring of that year. (AUDIO: Criss-Cross) Although strictly confidential, WREN Constance Clarke was present that morning and knew the work was instrumental to the war effort, changing the tide of the war. (AUDIO: Criss-Cross) He helped the Eighth Doctor crack an alien code in 1944. (PROSE: The Turing Test) He committed suicide in the mid-1950s, after having been hounded out of academia by Professor Jeffrey Broderick. (AUDIO: Artificial Intelligence)