LADD, George Trumbull, educator, born in Painesville, Ohio, 19 January, 1842. He was graduated at Western Reserve college in 1864, and at Andover seminary in 1869. He preached in Edinburgh, Ohio, for two years, and was pastor of the Spring street Congregational church in Milwaukee, Wisconsin, from 1871 till 1879, when he was called to the professorship of intellectual and moral philosophy in Bowdoin. While there he also lectured on church polity in the Andover seminary, and during the last year to graduates on systematic theology. In 1881 he assumed the chair of philosophy in Yale college. The degree of D. D. was conferred on him by Western Reserve in 1881. He is the author of " Principles of Church Polity" (New York, 1881); "Doctrine of Sacred Scripture" (New York and Edinburgh, 1883); and "Elements of Physiological Psychology" (New York and London, 1887). He also published a translation of Lotze's "Philosophical Outlines" (6 vols., Boston, 1884-'7).