George Archibald McCall (March 16, 1802 – February 25, 1868) was a United States Army officer who became a brigadier general and prisoner of war during the American Civil War. He was also a naturalist.
At the beginning of the Civil War, McCall helped organize Pennsylvania volunteers as major general of the state militia and was commissioned brigadier general of volunteers in May 1861. He helped organize and led the famous Pennsylvania Reserves Division, which served as the 2nd Division, I Corps, Army of the Potomac, and 3rd Division, V Corps. He was one of the oldest West Point graduates to serve in the war.
McCall served in the Peninsula Campaign and was wounded and captured at Frayser's Farm, Virginia, in June 1862, when while trying to ascertain his position without his staff officers, he instead met the 47th Virginia. He was imprisoned in Libby Prison in Richmond, Virginia. Previous illness was aggravated by his confinement in prison, and after his exchange (for Simon Bolivar Buckner) in August, McCall resigned due to poor health in March 1863.
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