Education
He was educated at Westminster School, Christ Church, Oxford and the London School of Economics.
He was educated at Westminster School, Christ Church, Oxford and the London School of Economics.
Chapman served in the Royal Fusiliers, 1914-1920, particularly in France and Belgium, 1915-1918. He was was appointed an Officer of the Order of the British Empire in the 1919 New Year Honours. He was awarded the Military Cross in December 1919:
Foreign conspicuous gallantry and leadership near Ghissignies, on 4th November, 1918.
When the battalion was going through Gihissignies in support of the attack, information was received that the left company of the leading battalion had been held up.
Under heavy shell fire he went forward to reconnoitre, and found that the supporting battalion appeared likely to become prematurely involved in the fighting. By his energy and initiative in taking command of the situation this was prevented.
He also served in World War Two. He was engaged in book publishing, 1920-1940, and was Professor of Modern History, University of Leeds, 1945-1953, and visiting Professor, University of Pittsburgh, 1948-1949.".