1911 Encyclopædia Britannica/Ladd, George Trumbull
LADD, GEORGE TRUMBULL (1842- ), American philosopher, was born in Painesville, Lake county, Ohio, on the 19th of January 1842. He graduated at Western Reserve College in 1864 and at Andover Theological Seminary in 1869; preached in Edinburg, Ohio, in 1869-1871, and in the Spring Street Congregational Church of Milwaukee in 1871-1879; and was professor of philosophy at Bowdoin College in 1879-1881, and Clark professor of metaphysics and moral philosophy at Yale from 1881 till 1901, when he took charge of the graduate department of philosophy and psychology; he became professor emeritus in 1905. In 1879-1882 he lectured on theology at Andover Theological Seminary, and in 1883 at Harvard, where in 1895-1896 he conducted a graduate seminary in ethics. He lectured in Japan in 1892, 1899 (when he also visited the universities of India) and 1906-1907. He was much influenced by Lotze, whose Outlines of Philosophy he translated (6 vols., 1877), and was one of the first to introduce (1879) the study of experimental psychology into America, the Yale psychological laboratory being founded by him.
Publications. — The Principles of Church Polity (1882); The Doctrine of Sacred Scripture (1884); What is the Bible? (1888); Essays on the Higher Education (1899), defending the “old” (Yale) system against the Harvard or “new” education, as praised by George H. Palmer; Elements of Physiological Psychology (1889, rewritten as Outlines of Physiological Psychology, in 1890); Primer of Psychology (1894); Psychology, Descriptive and Explanatory (1894); and Outlines of Descriptive Psychology (1898); in a “system of philosophy,” Philosophy of the Mind (1891); Philosophy of Knowledge (1897); A Theory of Reality (1899); Philosophy of Conduct (1902); and Philosophy of Religion (2 vols., 1905); In Korea with Marquis Ito (1908); and Knowledge, Life and Reality (1909).