PRATT, Daniel Darwin, senator, born in Palertoo, Maine, 26 October, 1813; died in Logansport, Indiana, 17, June, 1877. When he was a child his parents removed to New York. He was graduated at Hamilton college in 1831, and in 1832 engaged in teaching in Indiana. In 1834 he went to Indianapolis and was employed in the office of the secretary of state, studied law, and in 1836 settled in Logansport, where he began the practice of his profession. In 1851 and 1853 he was elected to the legislature, and he was a delegate to the Chicago National Republican convention of 1860, also acting as its principal secretary, lie was elected to congress from Indiana in 1868, but before taking his seat was chosen United States senator from that state to succeed Thomas A. Hendricks, and served from 4 March, 1869, till 3 March, 1875. In 1875 he was appointed commissioner of internal revenue, which office he resigned in July, 1876.