LADD

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).