George Wythe McCook graduated from Ohio University and studied law under Edwin M. Stanton, establishing a foundation in legal expertise. He spent several years as an attorney, specializing in railroad law during his tenure as Ohio's Attorney General. McCook served in the Mexican War and later held various military roles during the Civil War, including recruiting volunteers and managing prisoner-of-war camps. His leadership roles culminated in a brevet rank of brigadier general. McCook remained active in public service, running for governor of Ohio as a Democratic candidate in 1871.

George Wythe McCook's political identity is marked by a distinctive blend of legal expertise and military service, particularly in the context of railroad law and wartime logistics. His legislative focus on railroad law during his tenure as Ohio's Attorney General suggests a deep-rooted commitment to industrial infrastructure, yet his military roles in both the Mexican War and Civil War reveal a parallel dedication to state defense and prisoner management. McCook's candidacy as a Democrat in the 1871 Ohio gubernatorial race, despite his loss, underscores a persistent engagement with state-level politics. His approach, balancing legal pragmatism with wartime responsibilities, presents an intriguing study of how regional industrial interests can intersect with military and political duties.