John Lawrence Le Breton Hammond (1872-1949) was a British journalist and historian who wrote on politics and social history. His best-known works include The Rise of Modern Industry (1925; with Barbara Hammond), Britain and the Modern World Order (1932; with Arnold J. Toynbee); and Gladstone and the Irish Nation (1934).
Barbara Hammond (1873-1961), the wife of J. L. Hammond, was an early feminist who co-wrote many of her husband’s books on working-class history, including The Village Labourer (1911), The Town Labourer (1917), The Skilled Labourer (1919), and The Bleak Age (1934).