HADLEY, ARTHUR TWINING (1856-), American economist and educationist, was elected a director of the New York, New Haven & Hartford railway in 1913. In 1914 he lectured at the university of Oxford on “institutions of the United States.” In 1915 he evoked considerable discussion in America by declaring that young men who looked forward to a political career should have private means so as to avoid pecuniary temptations. In 1915 he endorsed college military camps and favoured counting military training for a degree. In 1920 he resigned as president of Yale University. The same year he was elected a director of the Atchison, Topeka & Santa Fé railway.