Henry Wager Halleck
Henry Wager Halleck was a Union general during the Civil War. He was commander of the Department of the Missouri comprising the Union armies west of the Cumberland River. Thus, Halleck was Ulysses S. Grant's superior during the campaigns for Fort Donelson and Shiloh in early 1862, taking direct command of the army after the battle of Shiloh. In recognition of these successful campaigns he was promoted to commander in chief on July 11, 1862. Unlike his predecessor George B. McClellan and his successor Grant, Halleck did not take the field as commander in the East, instead engaging in administrative duties and directing the operations of the Union armies from Washington, D.C.. When Grant became commander in chief, Halleck was appointed chief of staff on March 12, 1864 and continued his administrative duties in Washington.
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