Educated at Harrow and Sandhurst, he became (1894) an officer in the 4th hussars. On leave in 1895, he saw his first military action in Cuba as a reporter for London's Daily Graphic...
In The Army of the Future (1934, tr. 1941) he foresaw and futilely advocated for France the mechanized warfare by which Germany was to conquer France in 1940...
He grew up on a farm near Independence, Mo., worked at various jobs, and tended the family farm. He served as a captain of field artillery in France in World War I...