Wilson, Henry (1812-1875), served as vice president of the United States from 1873 to 1875 under President Ulysses S. Grant. He was a Republican U.S. senator from Massachusetts from 1855 to 1873. Wilson, who had strong antislavery views, was chairman of the Senate Military Affairs Committee during the American Civil War (1861-1865) and a "Radical Republican" during Reconstruction (see Reconstruction). He was involved in the Credit Mobilier scandal of 1872 (see Credit Mobilier of America).