Carmi Thompson graduated from Ohio State University and practiced law before serving as City Solicitor in Ironton. He held various political positions, including in the Ohio House of Representatives and as Speaker of the House. Thompson also served as Ohio's Secretary of State and held military roles during the Spanish-American War. He later engaged in the iron ore and shipping business and served as Treasurer of the United States.

Carmi Thompson's political identity is marked by an intriguing blend of economic pragmatism and diplomatic idealism. His background in the iron ore and shipping industries, coupled with his tenure as Treasurer of the United States, suggests a deep understanding of economic mechanisms. Yet, Thompson's involvement in military and veterans affairs, including his leadership in the United Spanish War Veterans, indicates a commitment to honoring and supporting those who serve. His participation in international disarmament talks and economic surveys in the Philippines reveals a nuanced approach to foreign policy, balancing national interests with global cooperation.