Ely S. Parker
Parker fought and served in the American Civil War. He raised an Iroquois military unit to fight for the Union. He only became a captain of this unit in 1863. He became the assistant of Ulysses S. Grant. This was when Grant became commander of the Military Division of the Mississippi. Parker was later secretary to Ulysses S. Grant. Parker was present at the surrender of the Confederates at Appomattox. He wrote the surrender documents.