He worked in the Military research unit of the Home Office where he was a pioneer in operational research, using the mathematical theory he developed to increase the effectiveness of bombing raids.
Siya ay nagtrabaho sa Military pananaliksik produkto ng Home Office kung saan siya ay nangunguna sa andar ng pananaliksik, ang paggamit ng matematika theory niya binuo upang madagdagan ang pagka-epektibo ng pambobomba reyd.