In World War II, Butler returned to military service in the Army Intelligence Corps, recruiting many former students including Bernard Willson to work on code breaking at Bletchley Park.
George Bernard Shaw | Bernard of Clairvaux | Bernard Montgomery, 1st Viscount Montgomery of Alamein | Bernard Madoff | Bernard-Henri Lévy | Bernard Haitink | Bernard Berenson | Bernard Hopkins | Bernard Cornwell | St. Bernard | Bernard Montgomery | Bernard Herrmann | Bernard | Bernard Malamud | Bernard Baruch | Meredith Willson | Bernard Kouchner | Bernard Hinault | Bernard Comrie | Bernard Price Institute for Palaeontological Research | Bernard Edwards | Bernard Devauchelle | Bernard Tschumi | Bernard Maybeck | Bernard Lonergan | Marty Willson-Piper | Jean-Bernard Pommier | Émile Bernard | Charles Willson Peale | Bernard Tapie |