Who did the general in the Union Army during the American Civil War pave the way for the surrender of Fort Donelson, who later became the 18th President of the United States?
James M. Tuttle James Madison Tuttle (September 24, 1823 – October 24, 1892) was a soldier, businessman, and politician from the state of Iowa who served as a general in the Union Army during the American Civil War. He commanded a brigade and then a division in the Army of the Tennessee in several campaigns in the Western Theater of operations. He led the first Union troops that entered the enemy-held Fort Donelson in 1862, paving the way for the fort's subsequent surrender to Ulysses S. Grant and opening the Cumberland River as an avenue of invasion of the South.
James S. Negley James Scott Negley (December 26, 1826 – August 7, 1901) was an American Civil War General, farmer, railroader, and U.S. Representative from the state of Pennsylvania. He played a key role in the Union victory at the Battle of Stones River.