Principal, Iowa City College. Elected superintendent public instruction, 1847. Reelected, 1848, but counted out by mems. of returning board.
Admitted to Iowa bar, 1848. President Iowa Wesleyan University, 1853-1855, 69-70. Member United States Senate from Iowa, (Freesoiler) 1855-1865, (Republican), 1867-1873, United States secretary of interior, 1865-1866, accused of corruption while in office, exonerated.
Presiding judge Court Commissioners of Alabama Claims, 1882-1885. Home: Mount Pleasant, Ia.