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(1806-1869), was born in New Hampshire. He was admitted to the bar in 1827, and soon began practice in Portland, Me. He served in the Maine House of Representatives from 1832 to 1840, 1845 to 1846, and 1853 to 1854. He was a member of the Whig National Conventions of 1840, 1848 and 1852, and became one of the founders of the Republican party. He was elected to the U. S. Congress from 1841 to 1843, and served in the U. S. Senate from 1854 to 1864, when he was appointed Secretary of the Treasury by President Lincoln, and served till 1865. He was again a U. S. Senator from 1865 to 1869. While in the Senate he made a famous speech against the Kansas-Nebraska bill, and in 1861 was appointed chairman of the Finance Committee, where he very ably sustained the national credit. He was one of the seven Republican Senators who voted for the acquittal of President Johnson in the impeachment trial of 1867.