George P. Buell
George Pearson Buell was an American civil engineer and soldier. He served as a Union Army general during the American Civil War, and remained in the United States Army following the conflict.
George P. Buell was born in Lawrenceburg, Indiana, in 1833, a first cousin of future Union general Don Carlos Buell. He attended Norwich University in 1856, and later became City Engineer of Leavenworth, Kansas. He then mined for gold and later was a civil engineer in Colorado.
Source: Wikipedia