McDowell was forty-five when he fought the first battle of magnitude in the war.

Buell was forty-two when he joined forces with Grant's army on the second day's fight at Shiloh.

Pope was scarcely over forty when he attained the highest credit for his success in the South-West.

Hancock was forty-one when he approved himself one of the most brilliant commanders in the army by his superb bearing on the field of Spotsylvania.

Hooker was forty-six when he assumed command of the Army of the Potomac.
General Schofield was thirty-four when he commanded with signal ability and success in the battle of Franklin.