Hamilton Fish worked with Ulysses S. Grant.
Hamilton Fish . When Ulysses S. Grant was elected President in 1868 , he appointed Fish as U.S. Secretary of State in 1869 . Ulysses S. Grant . When Grant relied on his Secretary of State Hamilton Fish , his administration successfully resolved the Alabama claims by the Treaty of Washington with Great Britain , ending wartime tensions . Additionally , Grant and Fish avoided war with Spain over the Virginius Affair negotiating a peaceful resolution .