Paul Samuel Reinsch

Paul Samuel Reinsch (June 10, 1869 – January 26, 1923), was an American political scientist and diplomat. He played an influential role in developing the field of international relations. He helped form the American Political Science Association and the American Society of International Law.

He was a strong proponent of the Open Door Policy (a system of equal trade and investment and to guarantee the territorial integrity of Qing China) and a critic of imperialism. Provided by Wikipedia