Seward, William Henry. Born in 1801. American statesman. Was elected governor of New York in 1838 and, in 1849, became United States senator. He headed the Republican Party, and having been an unsuccessful candidate for the presidential nomination, became secretary of state under Lincoln in 1861. He was attacked at the same time as the latter, but recovered. He wrote a "Life of John Quincy Adams," and other works. Died 1874.