Admitted to bar, 1839. Judge 4th Wisconsin Circuit, also justice Wisconsin Supreme Court, 1850-1853. Member United States Senate from Wisconsin, 1861-1877, advocated emancipation, Negro suffrage, voted for impeachment of President Johnson.
Appointed commissioner to International Monetary Conference in Paris by President Garfield, 1881. Postmaster general United States, 1882-1883.
Born February 24, 1816