Daniel McCook, Jr. , one of the famed Fighting McCooks, was a brigade commander in the Union Army who was mortally wounded in the Battle of Kennesaw Mountain, Georgia, during the American Civil War.
McCook was born in Carrollton, Ohio, son of Daniel and Martha Latimer McCook. He graduated from the University of Alabama at Florence in 1858, then returned home to study law in Steubenville, Ohio. He passed his bar exam and moved to Leavenworth, Kansas, where he formed a partnership with William T. Sherman, Hugh Boyle Ewing, and Thomas Ewing, Jr.. The men closed their law office when the Civil War began, and all four would serve as generals in the Union Army. Married December, 1860 to Julia Tibbs of Platte County, Missouri.
Source: Wikipedia