William Henry Seward (May 16, 1801 - October 10, 1872) was an American politician from the state of New York. He served as the 12th Governor of New York, United States Senator and the United States Secretary of State under Abraham Lincoln and Andrew Johnson. A determined opponent of the spread of slavery in the years leading up to the American Civil War, he was a dominant figure in the Republican Party in its formative years, and was widely regarded as the leading contender for the party's presidential nomination in 1860. Denied the nomination, he became a loyal member of Lincoln's wartime cab...